Home / Calculators / Physics Electrical calculators Voltage Drop Calculator Voltage Drop Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Resistor Calculator Resistor Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Ohms Law Calculator Ohms Law Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Electricity Calculator Electricity Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Energy and motion calculators Force Calculator Force Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Acceleration Calculator Acceleration Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Kinetic Energy Calculator Kinetic Energy Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Normal Force Calculator Normal Force Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Speed Calculator Speed Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Density Calculator Density Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Mass Calculator Mass Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Horsepower Calculator Horsepower Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Engine Horsepower Calculator Engine Horsepower Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. BTU Calculator BTU Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Weather calculators Wind Chill Calculator Wind Chill Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Heat Index Calculator Heat Index Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. Dew Point Calculator Dew Point Calculator covers the formula, inputs, worked example, result interpretation, and common mistakes for the topic. More Physics calculators 555 Timer Calculator The 555 timer calculator allows you to find the times of the output of a 555 astable mode timer circuit and more. Absolute Humidity Calculator Calculate the absolute humidity from temperature and relative humidity. AC Wattage Calculator This AC wattage calculator allows you to calculate the AC wattage from volts and amps. Acceleration in the Electric Field Calculator Use the acceleration in the electric field calculator to compute the acceleration of a charged particle subjected to the electric field. Acoustic Impedance Calculator The acoustic impedance calculator will help you determine a material's specific acoustic impedance and the intensity reflection and transmission coefficients of a sound wave at the boundary of two materials. Air Density Calculator Use the online air density calculator to find out the density of air at any given temperature and pressure. Air Pressure at Altitude Calculator If you ever wondered what is the atmospheric pressure high up in the mountains, our air pressure at altitude calculator is there to help you. Alfvén Velocity Calculator The Alfvén velocity calculator helps you compute the velocity of a magnetohydrodynamic wave, a type of plasma wave. Alien Civilization Calculator The alien civilization calculator explores the existence of extraterrestrial civilizations by comparing two models: the Drake equation and the Astrobiological Copernican Limits👽 Angle of Banking Calculator Find how to design the perfect road (and much more) with our angle of banking calculator Angle of Repose Calculator The angle of repose calculator can be a valuable tool to forecast the behavior of piles of granular materials. Angle of Twist Calculator This angle of twist calculator computes the twist angle of a shaft, given the shaft length, polar moment, torque, and shear modulus. Angular Acceleration Calculator Use this angular acceleration calculator to compute angular acceleration of an object in circular motion. Angular Displacement Calculator Angular displacement calculator is the one-stop tool to calculate angular displacement using three different formulas based on your requirements. Angular Frequency Calculator Use the angular frequency calculator to find the angular frequency (also known as angular velocity) of all rotating and oscillating objects. Angular Momentum Calculator This angular momentum calculator allows you to calculate the angular momentum of an object, either by using the moment of inertia and angular velocity, or by using the mass and velocity of the object along with the radius of the curved path. Angular Resolution Calculator The angular resolution calculator finds out the angular resolution of a lens. Angular Velocity Calculator This angular velocity calculator finds angular velocity in two ways. You can either use the angle change in the period of time or apply the linear velocity and a given radius. Aperture Area Calculator The aperture area calculator helps you to compute the aperture area of a lens. API Gravity Calculator Estimate the API gravity for petroleum liquids using API gravity calculator. Archimedes' Principle Calculator Archimedes' principle calculator allows you to calculate the buoyant force and the properties of an object when it is completely submerged in a fluid. Arrow Speed Calculator Arrow speed calculator finds the real speed of an arrow for a bow with custom parameters. Attenuation Calculator The attenuation calculator helps you measure decibel changes in voltage. Ballistic Coefficient Calculator Determine the ballistic coefficient for projectiles using our ballistic coefficient calculator. Barn-Pole Paradox Calculator The barn-pole paradox is an interesting thought experiment in relativity that showcases the quirkiness of our Universe! Beat Frequency Calculator The beat frequency calculator is your one-stop tool to calculate the beat frequency of two waves. Belt Length Calculator The belt length calculator will tell you the length of a belt spread out between two pulleys. Bend Allowance Calculator Obtain an estimate of the bend allowance given the material thickness, bend angle, inside radius, and k-factor for a given material with our bend allowance calculator. Bernoulli Equation Calculator Bernoulli equation calculator helps you determine the speed and pressure, as well as the flow rate, of an incompressible fluid. Binoculars Range Calculator With this binoculars range calculator, you can find the distance to the object if you know its height. Biot Number Calculator The Biot number calculator helps you compute the Biot number that determines how quickly heat transfers from the surface of a body to its interior. Black Hole Collision Calculator The Black Hole Collision Calculator lets you see the effects of a black hole collision, as well as revealing some of the mysteries of black holes, come on in and enjoy! Black Hole Temperature Calculator Use the black hole temperature calculator to learn the black body temperature of a black hole from just its mass. Blackbody Radiation Calculator Calculate the spectral radiance of a blackbody in watts or photons per second using this blackbody radiation calculator. Blast Radius Calculator Use our blast radius calculator to estimate non-fragment flying distance outside which no less than one fragment is expected to fly. BMEP Calculator (Brake Mean Effective Pressure Calculator) Calculate engine efficiency with our BMEP calculator using the BMEP formula. Accurate and easy to use for all your brakes mean effective pressure needs. Bohr Model Calculator The Bohr model calculator computes the frequency of emitted or absorbed electromagnetic waves at the transition of an electron between the orbits of an atom. Boltzmann Factor Calculator The Boltzmann factor calculator computes a relative probability of two states of a system at thermal equilibrium. Boost Converter Calculator Use the boost converter calculator to find your circuit's duty cycle and inductance. Boyle's Law Calculator Use this Boyle's law calculator to estimate a gas's pressure and volume in an isothermal process. Bragg's Law Calculator With this Bragg's law calculator, you can compute the angle of an incident X-ray for which the reflected wave from a crystal has the maximum intensity. Breaker Size Calculator The breaker size calculator will help you obtain the correct circuit breaker size for your home panel based on the electrical load. Brewster's Angle Calculator With this Brewster's angle calculator, you can estimate the angle at which reflected light will be perfectly polarized. Bridge Rectifier Calculator You can use this bridge rectifier calculator to compute various rectification attributes of the conversion of AC (alternating current) into DC (direct current). Brinell Hardness Number Calculator Determine the indentation hardness of a material using the Brinell hardness number calculator. Broad Crested Weir Calculator Calculate the discharge over the weir using our broad crested weir calculator. BTU to Tons Converter Calculator Check the BTU to tons converter to perform BTU to ton conversion. Buck Converter Calculator Use the buck converter calculator to find your circuit's duty cycle and inductance. Buckling Calculator Find the critical load for a column using our buckling calculator. Bug-Rivet Paradox Calculator Is the bug going to make it out alive? We're not sure: after all, it's fighting against Einstein. Solve with us the challenging bug-rivet paradox! Bulk Modulus Calculator Use our bulk modulus calculator to know the relationship between bulk stress, bulk strain, and bulk modulus. Bullet Energy Calculator Find out how much energy a bullet fired from a weapon carries using this bullet energy calculator. Buoyancy Calculator Buoyancy calculator finds the buoyant force acting on an object immersed in water. Buoyancy Experiment Calculator Use our buoyancy experiment calculator to estimate the density of dish soap (or an unknown liquid). You'll need to use salt water, a ball, a vessel, a measuring tape, and a weight. Calorimetry Calculator With this calorimetry calculator, you can quickly solve constant-pressure calorimetry problems. Capacitance Calculator Use the capacitance calculator to find the capacitance of a parallel-plate capacitor. Capacitive Reactance Calculator Use the capacitive reactance calculator whenever you want to find a capacitor's reactance in an AC circuit. Capacitive Transformerless Power Supply Calculator Use the capacitive transformerless power supply calculator to find your circuit's output voltage and input current. Capacitor Calculator Try the capacitor calculator if you want to find the meaning of the capacitor code and the value of its capacitance. You can also evaluate what is the charge stored in the capacitor for a specific voltage. Capacitor Charge Time Calculator Calculate the charge time of your capacitor for the five multiples of the time constant and more. Capacitor Energy Calculator Check this capacitor energy calculator to find the energy and electric charge values stored in a capacitor. Capacitor Size Calculator The capacitor size calculator gives you the capacitance required to handle a given voltage in an electric motor, considering a specific start-up energy. Capacitors in Series Calculator Use this capacitors in series calculator to work out the resulting capacitance in a circuit. Car Center of Mass Calculator Use this car center of mass calculator and find the exact position of the center of gravity of your car. Car Crash Calculator With this car crash calculator, you can find out how dangerous car crashes are. Car Jump Distance Calculator Use the car jump distance calculator to simulate car jumping with air drag force and car rotation included. Carburetor CFM Calculator This carburetor cfm calculator will help you to estimate the correct carburetor size for your engine. Carnot Efficiency Calculator The Carnot efficiency calculator finds the efficiency of the Carnot heat engine. Centrifugal Force Calculator Use our centrifugal force calculator to determine the force acting on a rotating object. Centrifuge Calculator The centrifuge calculator lets you convert between relative centrifugal force (RCF) and revolutions per minute (RPM) of a motor in a centrifuge. Centripetal Force Calculator Check this centripetal force calculator if you want to estimate the centripetal force acting upon a body in circular motion. Charles' Law Calculator The Charles' law calculator finds a gas's temperature and volume in an isobaric process. Circular Motion Calculator Use the circular motion calculator to determine the parameters like frequency, speed, angular velocity, and centripetal acceleration. Cloud Base Calculator Our cloud base calculator finds the minimum altitude at which clouds can form. Coefficient of Discharge Calculator Estimate the ratio between theoretical and actual discharge values using the coefficient of discharge calculator. Coefficient of Performance Calculator This coefficient of performance calculator determines the coefficient of performance of reversible and irreversible refrigerators and heat pumps. Combined Gas Law Calculator Try this combined gas law calculator to determine the basic properties of the most common thermodynamic processes. Compressibility Factor Calculator Use the compressibility factor calculator to chart the behavior of non-ideal gases. Compton Scattering Calculator This Compton scattering calculator helps you find the wavelength extension of the photon scattered by any particle. Compton Wavelength Calculator Use the Compton wavelength calculator to compute the Compton wavelength, a quantum characteristic of any particle. Conductivity to Resistivity Calculator Calculate the conductivity of a material from its resistivity and vice-versa using the conductivity to resistivity calculator. Conservation of Momentum Calculator The conservation of momentum calculator will help you determine the initial and final speed of two colliding objects. Contact Lens Vertex Calculator Find out what power contact lens will fit you using this contact lens vertex calculator! Copper Wire Weight Calculator Enter the dimensions of a copper wire into the copper wire weight calculator to get its weight. Coriolis Effect Calculator The Coriolis effect calculator can find the inertial force acting on moving objects in a rotating reference frame. Coulomb's Law Calculator Use the Coulomb's law calculator to determine the electrostatic force between two charged particles. Crawl Ratio Calculator Calculate the crawl ratio of a vehicle from the transmission ratio, transfer case ratio, and axle gear ratio. Critical Damping Calculator The critical damping calculator will help you find out the critical damping coefficient of a system. Crossover Calculator This crossover calculator will help you design amazing sounding speaker units. Curie Constant Calculator The Curie constant calculator helps you calculate the Curie constant characterizing magnetic properties of paramagnets. Curie's Law Calculator Check the Curie's law calculator to calculate the magnetization of paramagnetic materials, including its dependence on temperature. Current Divider Calculator Use the current divider calculator to estimate how the current divides across each branch of different parallel circuits: resistive, inductive, or capacitive. Cutoff Frequency Calculator Use the cutoff frequency calculator to work out the cutoff frequencies of different filter circuits. Cv Calculator — Valve Flow Coefficient Quickly calculate valve flow coefficient (Cv) for liquids and gases with our easy-to-use valve Cv calculator. Cv Flow Calculator This Cv flow calculator will help you understand how the capacity of a valve to let fluid flow through is measured. Cyclotron Frequency Calculator Unlock precision in physics! Use our cyclotron frequency calculator now to accurately determine cyclotron velocity and frequency. Damping Ratio Calculator The damping ratio calculator will help you find the damping ratio and establish if the system is underdamped, overdamped or critically damped. Darcy Weisbach Calculator Estimate the fluid pressure drop across a pipe using the Darcy Weisbach calculator. Darcy's Law Calculator Use our Darcy's law calculator to calculate the fluid flow rate through a porous medium. dB Calculator Use our dB calculator to find the sound pressure level and intensity level in decibels. dB Gain Calculator Determine dB gain by entering initial and final power levels into the dB gain calculator. De Broglie Wavelength Calculator De Broglie wavelength calculator finds the wavelength corresponding to a particle exhibiting wave-like behavior. Debye Length Calculator The Debye length calculator enables you to compute the Debye length in a plasma or in a monovalent electrolyte. Delta to Wye Conversion Calculator This delta to wye conversion calculator will help you convert delta networks of resistors to wye networks and vice versa. Delta V Calculator How much speed do you need to move in space? Find it out with our delta-v calculator! Density Altitude Calculator The density altitude calculator tells you your effective altitude in terms of the International Standard Atmosphere, which is necessary for determining airplane engine performance and lift. Differential Pressure Calculator Determine the fluid flow rate using the differential pressure calculator. Diffraction Grating Calculator Diffraction grating calculator analyzes what happens when a light ray meets a surface with multiple apertures. Diopter Calculator The diopter calculator efficiently determines the optical power of a lens in diopters using its focal length. Dipole Calculator Our dipole calculator allows you to compute the length of a simple dipole antenna. Dipole Moment Calculator Find the polarity of a system of charges with our dipole moment calculator! Displacement Calculator Using the displacement calculator you can find the displacement using constant speed, acceleration, or a collection of different velocities. Distance Attenuation Calculator The distance attenuation calculator finds how the sound level in dB decreases with distance from the sound source. Distance to Horizon Calculator Learn the geometry of horizons with our distance to the horizon calculator: on Earth or anywhere else in the Solar System! Doppler Effect Calculator Our Doppler effect calculator allows you to calculate the frequency of sound if either the source of sound or the observer is moving. Drag Equation Calculator The drag equation calculator helps you compute a force exerted on a moving object immersed in a fluid. Drake Equation Calculator Where is everybody? Learn how to calculate the probability of another civilization existing somewhere in our Galaxy with Omni's Drake equation calculator. Drift Velocity Calculator Use the Drift Velocity Calculator to compute the velocity of charge carriers which flow through a wire. E = mc² Calculator Explore Einstein's famous E=mc² equation with our calculator and understand the mass-energy equivalence easily. Earth Curvature Calculator The Earth curvature calculator lets you find the distance from you to the horizon, as well as the height of an object that is partially hidden behind it. Earth Orbit Calculator This Earth orbit calculator determines the speed and orbital period of a satellite at a given height above average Earth sea level. Effectiveness-NTU Calculator Use the effectiveness-NTU calculator to perform either a design calculation or a performance assessment of a heat exchanger. Efficiency Calculator The efficiency calculator finds the ratio of energy output to energy input. EIRP Calculator — Effective Isotropic Radiated Power The EIRP calculator helps you determine the effective isotropic radiated power, i.e., the actual power level radiated from an antenna. Elastic Constants Calculator The elastic constants calculator can help you explore the relationships between the moduli of elasticity for isotropic materials. Elastic Potential Energy Calculator Use the elastic potential energy calculator to determine the potential energy of a spring. Electric Field Calculator The electric field calculator finds the magnitude of the electric field generated by a point charge. Electric Motor Torque Calculator The electric motor torque calculator provides the relation between rotational speed, power, and torque in the shaft. Electric Potential Calculator The electric potential calculator allows you to work out the electric potential at a point either due to a single point charge or a system of point charges. Electrical Mobility Calculator The electrical mobility calculator explores the Einstein-Smoluchowski relation connecting the random motion of electrons in a wire to their mobility in the presence of a voltage difference. Electrical Power Calculator The electrical power calculator helps you compute the power consumed by electrical devices. Electron Speed Calculator The electron speed calculator helps you estimate both the classical and relativistic speeds of an electron. Elongation Calculator Calculate the elongation percentage and determine if the material would fail using the elongation calculator. Energy Density of Fields Calculator Use the energy density of fields calculator to compute the energy density carried by electric and magnetic fields. Engine Displacement Calculator Determine the capacity of the engine using engine displacement calculator. Enthalpy Calculator The enthalpy calculator lets you find the enthalpy of any endothermic or exothermic reaction. Escape Velocity Calculator Use our escape velocity calculator to find out the speed required to leave the surface of any planet. Evaporation Rate Calculator Calculate how quickly a body of water will evaporate given wind speed and humidity using the evaporation rate calculator. Excess Electrons Calculator With the excess electron calculator, you will learn how to find the number of electrons missing or in excess, which causes a given charge. Exhaust Diameter Calculator Use the engine's RPM and cylinder's volume to calculate the exhaust diameter of your vehicle. Exoplanet Discovery Calculator The exoplanet discovery calculator allows you to play around and discover the calculations that got a Nobel Prize in 2019 for the discovery of planets outside the solar system. Exoplanet Travel Planner Calculator The exoplanet travel planner will help you plan your next trip to a foreign planet including food, water, expected exploration time... Factor of Safety Calculator The factor of safety calculator obtains the ratio of an object's or structure's maximum strength to its design load, to determine how safe it is. Read on to learn more about factor of safety and its applications. Fan Calculator Easily calculate the airflow, pressure or power draw of a fan. We will also teach you some fun facts about fans, enjoy! Faraday's Law Calculator Faraday's law calculator finds the voltage induced in a closed circuit. Fermi Level Calculator Use this Fermi level calculator to estimate Fermi parameters and explore the Fermi-Dirac statistics. Flat vs. Round Earth Calculator Omni's not-flat Earth calculator helps you perform three experiments that prove the world is round. Flow Rate Calculator Determine the volumetric and mass flow rate of a fluid with our flow rate calculator. Flyback Converter Calculator Use the flyback converter calculator to find the duty cycle, currents, and inductances for the primary and secondary sides of your circuit. Flywheel Energy Storage Calculator Our flywheel energy storage calculator allows you to calculate the capacity of an interesting type of battery! Forward Converter Calculator Use the forward converter calculator to find the output voltage and the ripple current of your forward converter circuit. FPE calculator — Foot-pounds of Energy Quickly calculate the foot-pounds of energy with our FPE calculator. You only need to know the weight and the velocity of your projectile. Free Fall Calculator Our free fall calculator can find the velocity of a falling object and the height it drops from. Free Fall with Air Resistance Calculator Free fall with air resistance calculator finds the time of fall, as well as the maximum and terminal velocity of an object falling to the ground under the influence of both gravity and air resistance. Free Space Path Loss Calculator The free space path loss calculator allows you to predict the strength of a radio frequency signal emitted by an antenna at any given distance. Frequency Bandwidth Calculator The frequency bandwidth calculator will provide you with the upper and lower cutoff frequencies and the frequency bandwidth. Frequency Calculator The frequency calculator lets you quickly find the frequency, given either its period or its wavelength and velocity. Frequency Converter Calculator Use our frequency converter to switch between different frequency units. Frequency of Light Calculator Learn how to calculate the frequency of light and the regions of the electromagnetic spectrum with this handy tool! Fresnel Zone Calculator The cool Fresnel zone calculator helps you determine the first Fresnel zone so you can keep your signal transmission as strong as possible. It also determines the other Fresnel zones, if you need them. Friction Calculator The friction calculator finds the force of friction between any object and the ground. Friction Factor Calculator Use the friction factor calculator to determine the friction factor using the Moody approximation. Friction Loss Calculator Calculate the friction loss in pipes for different materials using the Hazen-Williams equation. Froude Number Calculator Determine the Froude number for the fluid flow using the Froude number calculator. Fulcrum Calculator Use this fulcrum calculator to determine a lever's fulcrum location from the load you want to lift. Gauss's Law Calculator Our Gauss's law calculator gives you the exact electrical flux through a closed surface around an electric charge. Gay-Lussac's Law Calculator With Gay-Lussac's law calculator, you can quickly work out the pressure and temperature values in an isochoric process. Gear Ratio Calculator This gear ratio calculator determines the rate of mechanical advantage or disadvantage a gear train produces in a gear system. Read on to learn more about gear ratio and its importance in our lives. Generator Power Calculator The generator power calculator helps calculate the power requirement based on the current readings of various equipment and appliances or the power supply voltage of the premises. Gold Weight Calculator Use the gold weight calculator to determine the amount of precious metal you need and its cost for DIY projects. Gravitational Force Calculator If you want to calculate the force between two masses, try our gravitational force calculator. Gravitational Time Dilation Calculator With this gravitational time dilation calculator you can check how much time slows down by near big objects. Ground Speed Calculator Ground speed calculator helps you find the wind correction angle, heading, and ground speed of an aircraft. Hair Diffraction Calculator Measure the width of your hair using a laser and physics. This hair diffraction calculator will help you set up the experiment, understand the physics behind (hair) diffraction patterns, and, of course, calculate the width of your hair. Hall Coefficient Calculator The Hall coefficient calculator computes the Hall coefficient, unveiling the nature of the charge carriers in conductors. Harmonic Wave Equation Calculator The harmonic wave equation calculator helps you find the displacement of any point along an oscillating wave. Heat Capacity Calculator Determine the heat capacity of a body using Omni's heat capacity calculator. Heat Transfer Calculator Calculate heat transfer rates as well as rates for both conduction and convection with this easy-to-use heat transfer calculator. Heat Transfer Coefficient Calculator Estimate the overall heat transfer coefficient for a wall using the heat transfer coefficient calculator. Heisenberg's Uncertainty Principle Calculator Learn about the Heisenberg uncertainty principle equation and the relationship between the uncertainty of position, momentum, and velocity in quantum mechanics. Helical Coil Calculator Use the helical coil calculator to estimate the inductance and volume of coil springs. Helmholtz Resonator Calculator Find the resonant frequency of an acoustic cavity with out Helmholtz resonator calculator! High Pass Filter Calculator The high pass filter calculator assists you in designing and building a high-pass filter circuit. Includes passive (RC and RL) and active (op-amp based) filters. Hohmann Transfer Calculator Hohmann transfer calculator lets you find the best fuel-efficient transfers between two circular orbits. Hooke's Law Calculator Use the Hooke's law calculator to calculate the force in a spring. Hoop Stress Calculator Determine the stresses in thin walled shells (spheres and cylinders) using the hoop stress calculator. Horizontal Projectile Motion Calculator With this horizontal projectile motion calculator, you'll quickly find out the trajectory, time of flight, and projectile range. hp to amps Calculator This hp to amps calculator helps you convert horsepower (hp) to electric current in amperes (amps). It can also work as the amps to hp converter. Hubble Law Distance Calculator Come on into the Hubble law distance calculator where you can find the answers for the questions like what is the Hubble's Law and what is the value of the Hubble constant. Hydraulic Conductivity Calculator Determine the speed of fluid flow through the soil using the hydraulic conductivity calculator. Hydraulic Gradient Calculator Determine the change in the head with respect to the distance using this hydraulic gradient calculator. Hydraulic Jump Calculator The hydraulic jump calculator analyzes the jump from a supercritical to a subcritical flow in a rectangular channel. Hydraulic Pressure Calculator The hydraulic pressure calculator finds the parameters of a basic hydraulic system. Hydraulic Radius Calculator The hydraulic radius calculator finds the wetted perimeter and hydraulic radius for five different channel shapes. Hydrogen Energy Levels Calculator The hydrogen energy levels calculator computes the energy levels of hydrogen and hydrogen-like atoms. Hydrostatic Pressure Calculator Our hydrostatic pressure calculator is here to help you if you want to find the hydrostatic pressure at a certain depth. Ideal Gas Density Calculator Use this tool to calculate the density of an ideal gas using the ideal gas law. Ideal Gas Law Calculator Use the ideal gas law calculator to find the pressure, volume, and temperature of a gas. Ideal Transformer Calculator Learn how a transformer works and calculate accurately with our ideal voltage transformer calculator. Fast, reliable, and user-friendly Immersed Weight Calculator The immersed weight calculator helps you understand why objects float or sink in different liquids and guides you through DIY experiments to see firsthand how immersing something in various liquids affects its weight in different ways. Impact Energy Calculator Calculate the force and energy involved with impact loads using our impact energy calculator. Impact Test Calculator The impact test calculator determines the energy absorbed in Izod and Charpy impact tests. Impulse and Momentum Calculator The impulse and momentum calculator can find the impulse of an object that changes its velocity. Inclined Plane Calculator Use the inclined plane calculator to solve exercises about objects sliding down an inclined plane with a friction coefficient. Index of Refraction Calculator If you need to find the index of refraction of any substance, the index of refraction calculator is here to help you. Inductive Reactance Calculator Use the inductive reactance calculator to work out the impedance of a purely inductive circuit. Inductor Energy Storage Calculator With this inductor energy storage calculator, you'll quickly find the magnetic energy stored in an electrical circuit with inductance. Inductors in Parallel Calculator Use Omni's inductors in parallel calculator to work out the equivalent inductance in a parallel circuit. Inductors In Series Calculator Use Omni's inductors in series calculator to work out the equivalent inductance of a series circuit. Insertion Loss Calculator Compute the insertion loss of a two-port network using the insertion loss calculator. Internal Resistance Calculator Calculate the internal resistance of a battery using the internal resistance calculator. Intrinsic Carrier Concentration Calculator Omni's intrinsic carrier concentration calculator allows you to work out the carrier concentration in intrinsic semiconductors. Inverse Square Law Calculator The inverse square law calculator will shed light on the propagation of radiating quantities and their peculiar relationship with distance. Inverting Buck-Boost Converter Calculator Use the inverting buck-boost converter calculator to find your circuit's duty cycle and inductance. Isentropic Flow Calculator Determine the properties of fluid flow during an isentropic process using the Isentropic flow calculator. J-Pole Antenna Calculator Design your optimal J-pole antenna for a chosen frequency using our smart J-pole antenna calculator. Joule Heating Calculator Use our Joule heating calculator to compute the heat generated by a current-carrying cable. Kepler's Third Law Calculator Use this Kepler's third law calculator to find the relationship between a planet's orbital period and it semi-major axis (or mean orbital radius). kg to Newtons Calculator This kg to newtons calculator converts kilograms to newtons and vice versa, and explains how to change kg into newtons. Kinematic Viscosity of Air Calculator Use the kinematic viscosity of air calculator to find out the viscosity of air at given pressure and temperature. Kinetic Energy of a Pendulum Calculator This calculator and video combination helps you compute the kinetic energy of a pendulum so that you can better understand how to use a pendulum in the real world. Knudsen Number Calculator Use this Knudsen number calculator to calculate the Knudsen number which helps you determine which mechanics formulation should be used. kVA Calculator Use this kVA calculator to find the value of apparent power from the operating voltage and current in a system. Laser Beam Divergence Calculator Our laser beam divergence calculator will tell you exactly how much your beam will expand! Laser Beam Expander Calculator Our laser beam expander calculator will teach you everything you need to know about these simple devices. Laser Beam Spot Size Calculator Our laser beam spot size calculator will find out how small a laser beam can be. Laser Brightness Calculator With our laser brightness calculator, you can find the radiance of a gaussian beam or compare two different lasers to see which one is brighter. Laser Linewidth and Bandwidth Calculator With our laser linewidth and bandwidth calculator, you will learn how much your laser pointer deviates from an ideal monochromaticity. Latent Heat Calculator The latent heat calculator computes the energy released or absorbed during a phase transition like melting or vaporizing. LED Resistor Calculator LED resistor calculator tells you what resistor you should use when connecting LEDs in series or parallel. Length Contraction Calculator Discover how length is relative to the point of view with our calculator, exploring the relativity of length in physics accurately and easily. Lens Maker Equation Calculator The lens Maker Equation Calculator finds out the focal length of a specific lens. Lever Calculator Discover one of the simplest machine ever invented with our lever calculator. Lift Coefficient Calculator Determine the coefficient of lift using the lift equation for your wing design using lift coefficient calculator. Light Year Calculator Our light year calculator can help you calculate the distance light can travel in a certain amount of time. Lightning Distance Calculator This simple lightning distance calculator can estimate how far away a storm is based on the time difference between a flash of lightning and the thunder ⚡⚡⚡ Linear Actuator Force Calculator Our linear actuator force calculator computes the maximum force required for the linear actuator. LMTD Calculator – Log Mean Temperature Difference Determine the logarithmic mean temperature difference using the LMTD calculator. Lorentz Force Calculator Use the Lorentz force calculator to compute the effect of the magnetic field on charged particles. Low Pass Filter Calculator The low pass filter calculator helps you design and build a low-pass filter circuit, with support for passive (RC and RL) as well as active (op-amp based) filters. Lumen Calculator (Lumen to Lux to Candela) The Lumen calculator converts between lumens, lux, and candelas. Luminosity Calculator The luminosity calculator finds a star's luminosity, absolute magnitude, and apparent magnitude. Lux to Foot Candles Converter Calculator With our easy-to-use converter, lux to foot candles conversion will never again cause you any problems! Mach Number Calculator Calculate the mach number using the speed of an object and speed of sound. Magnetic Declination Calculator Align your compass correctly with this magnetic declination calculator! Magnetic Dipole Moment Calculator Calculate the magnetic dipole moment of a current-carrying loop or a solenoid with our magnetic dipole moment calculator. Magnetic Field of a Straight Current-Carrying Wire Calculator The magnetic field of a straight current-carrying wire calculator finds the strength of the magnetic field produced by straight wire. Magnetic Force Between Current-Carrying Wires Calculator The magnetic force between current-carrying wires calculator determines whether two parallel wires with current will attract or repel each other and how strong this force is. Magnetic Force on a Current-Carrying Wire Calculator Use the electromagnetic force on current-carrying wire calculator to compute the strength of the electromagnetic force acting on a wire with current flowing through it. Magnetic Moment Calculator Use the magnetic moment calculator to compute the magnetic moment of an atom. Magnetic Permeability Calculator Use this magnetic permeability calculator to compute a material's permeability, relative permeability, and susceptibility. Magnitude of Acceleration Calculator Check our magnitude of acceleration calculator to estimate the value of acceleration swiftly. You can choose between three options: mass and force, acceleration components, or velocity difference. Magnus Force Calculator Use our Magnus force calculator to find the total force generated by the Magnus effect on a spinning cylinder. Malus Law Calculator With this Malus law calculator, you can find the intensity of light that passes through the polarizer, taking into account the direction of its initial polarization. Manometer Calculator This manometer calculator will determine pressures at specific points in any common manometer. Manometers are simple to use and knowing how to use them is a fantastic way to learn more about fluid statics. Mass Moment of Inertia Calculator If you want to find out what is the moment of inertia of an object, our mass moment of inertia calculator is here to help you. Mass Moment of Inertia Calculator The cylinder mass moment of inertia calculator is a tool that can help you find out which cylinder/cylindrical shell/ cylindrical tube will run faster in an eventually do it yourself race experiment. Maximum Height Calculator – Projectile Motion Use this maximum height calculator to figure out what is the maximum vertical position of an object in projectile motion. Mean Free Path Calculator The mean free path calculator lets you find the mean free path of any particle in an ideal gas. Mechanical Advantage Calculator Mechanical advantage calculator finds out the force amplification when using levers, pulleys, screws, wedges, ramps, and wheels & axles. Mirror Equation Calculator The mirror equation calculator helps you find the unknown among the object position, image position, and focal length of a mirror. Mixed Air Calculator Use this mixed air calculator to determine the properties of the mixed air stream without using a psychrometric chart. Mixed Air Temperature Calculator The mixed air temperature calculator gives you the total temperature of two gases with different temperatures and concentrations. Mixing Ratio of Air Calculator The mixing ratio of air calculator allows you to find the actual and saturation mixing ratios of air as well as associated relative humidity. MOA Calculator — Minute of Angle Use the MOA calculator to find the relationship between spread, distance, and shooting angle. Modulation Calculator This modulation calculator helps find the amplitude modulation index using the amplitude of the modulation signal and the carrier signal. You can also calculate the frequency modulation index. Mohr's Circle Calculator Calculate principal stresses using Mohr's circle calculator. Moisture Content Calculator Based on an object's wet and dry weight, our moisture content calculator determines the water weight and moisture content in percentage. Momentum Calculator The momentum calculator evaluates the linear momentum of an object based on its mass and velocity. MOSFET Calculator Discover how to calculate the current of a MOSFET in its three regimes of operation with our MOSFET calculator! MOSFET Threshold Voltage Calculator Learn how to calculate the most critical parameter of a MOSFET with our MOSFET threshold voltage calculator. Muzzle Velocity Calculator Use the muzzle velocity calculator to find the speed of the bullet based on three different methods. Natural Frequency Calculator The natural frequency calculator quickly computes the unperturbed frequency of vibration for multiple systems! Net Force Calculator Use the net force calculator to find the resultant force on a body. Newton's Law of Cooling Calculator This Newton's law of cooling calculator lets you find the time it takes for different objects to cool down. Newton's Second Law Calculator With the Newton's second law calculator, you can explore the famous second law of motion thanks to Isaac Newton. Newton's Third Law Calculator Explore the reaction forces and law of motion with Newton's third law calculator. Noise Figure Calculator The noise figure calculator takes the signal-to-noise ratio (SNR) at input and output to calculate the noise figure value in decibels. NPSH Calculator – Net Positive Suction Head The NPSH calculator – net positive suction head – is a handy tool that will help you obtain the available NPSH of your system, so you can avoid having cavitation in your pump. Number Density Calculator Use this number density calculator to compute the charge carrier number density of specific conductors. Nusselt Number Calculator The handy Nusselt number calculator shows you the relation between the length of the convection transfer region, the convection coefficient, and the thermal conductivity of the fluid. Oblique Shock Calculator Determine the properties of a gas for an oblique shock wave using the oblique shock calculator. Olber's Paradox Calculator Why is the night sky dark, only dotted with shiny stars? Olber's paradox is a titillating problem with a clear and satisfying solution. Open Channel Flow Calculator This open channel flow calculator will help you determine the water flow rate of open channels for any typical cross-sectional area of water flow. Optical Density Calculator This tool allows you to calculate the optical density from the incident light intensity and transmitted light intensity. Orbital Period Calculator Enter the orbital period calculator, where you can calculate the orbital period of a binary system, a satellite around the Earth, and much more while learning about the universe and the laws that rule it. Orbital Velocity Calculator Use our orbital velocity calculator to estimate the parameters of orbital motion of the planets. Orifice Flow Calculator Determine the flow rate of liquid through an orifice using the orifice flow calculator. Parallax Calculator Use the parallax calculator to determine the distance between the earth and the stars. Parallel Capacitor Calculator Check out this parallel capacitor calculator to evaluate the resulting capacity in this kind of circuit. Parallel Resistor Calculator Find the equivalent resistance of a parallel circuit with the parallel resistor calculator. Particles Velocity Calculator Use the particles velocity calculator to calculate the average velocity of gas particles. Photoelectric Effect Calculator The photoelectric effect calculator computes the kinetic energy of electrons ejected from material by incident light. Photon Detection Efficiency Calculator (SiPM) Photon detection efficiency calculator is a handy tool that allows for a quick conversion between responsivity and Photon Detection Efficiency (PDE) in Silicon Photomultipliers (SiPMs). Photon Energy Calculator The photon energy calculator computes the energy of a single photon from its wavelength or frequency. Physical Pendulum Calculator The physical pendulum calculator helps you compute the period and frequency of a physical pendulum. Pipe Flow Calculator Use the pipe flow calculator to find the velocity and discharge of water in a gravity-fed pipe flow. Pipe Velocity Calculator Use our pipe velocity calculator to explore the relationship between flow rate, pipe diameter, and fluid velocity. Piston Force Calculator Calculate the force in a cylindrical piston from the pressure applied. Piston Speed Calculator Our piston speed calculator calculates the mean speed a piston moves in the cylinder bore. Pneumatic Cylinder Force Calculator Use this tool to calculate the force of a pneumatic cylinder. Poise-Stokes Converter Calculator Use this poise-stokes converter to express dynamic viscosities in terms of kinematic viscosities and vice versa. Poiseuille's Law Calculator Our Hagen-Poiseuille's law calculator is a simple way to calculate the flow rate, resistance, or pressure change of a fluid or gas in a pipe. Poisson's Ratio Calculator The Poisson's ratio calculator can find the Poisson's ratio either as a proportion of lateral and axial strain or from the shear and elasticity moduli. Polar Moment of Inertia Calculator Use this tool to calculate the polar moment of inertia of a solid or hollow circular section. Porosity and Permeability Calculator The porosity and permeability calculator uses Darcy's law to calculate these two material properties as fluids flow through porous substances. Potential Energy Calculator Grab the potential energy calculator to find how much energy is stored in an object raised off the ground. Pounds per Minute Calculator Use our pounds per minute calculator to easily calculate the mass flow rate in lb/min. Pounds per Square Inch Calculator The pounds per square inch calculator enables you to easily compute pressure in psi or your preferred unit. Power Dissipation Calculator Use the power dissipation calculator to calculate the power dissipated by the resistors and the power supplied by the battery. Power Factor Calculator The power factor calculator helps you to describe the relationship between the real, reactive, and apparent power in an AC circuit. Power-to-Weight Ratio Calculator Our power-to-weight ratio calculator allows you to compare the performance of different motor vehicles. Prandtl Meyer Expansion Calculator Our Prandtl Meyer expansion calculator lets you calculate the downstream flow properties of an expansion wave. Prandtl Number Calculator Determine the Prandtl number of fluid using this Prandtl number calculator. Pressure Calculator Use the pressure calculator to find the pressure exerted by a force on a specific area. Principal Stress Calculator This principal stress calculator helps you calculate the amount of normal stress acting on a single major plane. Find the maximum, minimum, and angle of principal stress using this calculator. Projectile Motion Calculator Use our projectile motion calculator to analyze a projectile in parabolic motion. Projectile Motion Experiment Calculator Blast off with this super fun projectile motion experiment calculator! Create a simple launcher and learn the basics of projectile motion. Projectile Range Calculator Find out how far the object can fly with this projectile range calculator. Prop Pitch Calculator Use this tool to calculate the prop pitch of a boat from its speed, gear ratio, engine speed, and propeller slip. Prop Slip Calculator Use this tool to calculate the prop slip of a boat propeller. Psychrometric Calculator Accurately determine humidity with our humidity ratio calculator and psychrometric chart. Optimize your environmental analysis. Use it now! Pulley Calculator Pulley calculator finds all parameters of a belt drive system: the RPM, speed, belt length, belt tension, and torque. Pump Horsepower Calculator Determine the hydraulic and shaft power of pumps using the pump horsepower calculator. Quantum Number Calculator The quantum number calculator allows you to list all possible values of quantum numbers for a given electron shell. Quarter Mile Calculator Given a vehicle's power and weight, you can use this quarter-mile calculator to estimate the elapsed time and final speed over a 1/4-mile distance. Radar Horizon Calculator Find how far you can see with a radar with our radar horizon calculator. Radiation Pressure Calculator Use the radiation pressure calculator to find the pressure that arises from electromagnetic radiation. RC Circuit Calculator This RC circuit calculator will help you calculate the characteristic frequency of the RC circuit. Reaction Time Calculator How fast are you? The reaction time calculator teaches you a way to measure your reflexes — with physics! Recoil Energy Calculator Calculate the recoil of firearms using the recoil energy calculator. Redshift Calculator With our redshift calculator, you can determine the magnitude of redshift – an interesting phenomenon in astrophysics. Reduced Mass Calculator Try the reduced mass calculator to easily calculate the reduced mass in a two-body problem. Refrigerant Capillary Tube Calculator Use our refrigerant capillary tube calculator to adjust your cooling device's current capillary tube system when changing tube size. Relative Humidity Calculator Use the relative humidity calculator to explore the relationship between relative humidity, air temperature, and dew point. Relativistic Kinetic Energy Calculator The relativistic kinetic energy calculator finds the kinetic energy of an object traveling at a speed similar to the speed of light. Resistor Color Code Calculator Find out the resistance value with this resistor color code calculator! Just choose the resistor type, select the colors, and the tool will display the resistance, tolerance, and range on the spot. Resistor Noise Calculator Use our resistor noise calculator to find out how much RMS noise signal resistors will generate. Resistor Wattage Calculator Use the resistor wattage calculator to determine the power dissipated by a resistor. Resonant Frequency Calculator Use the resonant frequency calculator to check out the resonant frequency in an LC circuit. Resultant Velocity Calculator The resultant velocity calculator allows you to add up to five different velocity vectors, determining the absolute value of the resultant velocity, its direction, and its x and y components. Reverberation Time Calculator The reverberation time calculator works out what is the time required for the sound intensity to decrease by 60 dB. Reynolds Number Calculator The Reynolds number calculator will help you determine the Reynolds number – an essential physical quantity in fluid mechanics. RLC Circuit Calculator With this RLC circuit calculator, you can calculate the characteristic frequency of the RLC circuit and its Q-factor. RLC Impedance Calculator Try this RLC impedance calculator to find the impedance of the resistor, capacitor, and inductor in series or in parallel. RMS Voltage Calculator The RMS voltage calculator lets you find the root mean square of common waveforms. Rocket Equation Calculator The rocket equation calculator helps you estimate the final velocity of a rocket. Rocket Thrust Calculator If you want to calculate the net thrust generated by a jet rocket engine, the rocket thrust calculator is the easiest way to do it; you don't need to learn rocket physics. Rockwell Hardness Conversion Calculator Calculate or convert Rockwell hardness number to different hardness scales using the Rockwell hardness conversion calculator. Rolling Resistance Calculator We let you estimate the rolling resistance of any vehicle with the rolling resistance calculator, to make sure you are running as efficiently as possible! Root Mean Square Velocity Calculator Use the root mean square velocity calculator to find the velocity of a particle in a gas based on the kinetic theory of gases. Rotational Kinetic Energy Calculator The rotational kinetic energy calculator finds the energy of an object in rotational motion. Rotational Stiffness Calculator Determine the resistance of a body to rotation using the rotational stiffness calculator. Rydberg Equation Calculator You can find the line spectrum of hydrogen-like atoms with this Rydberg equation calculator. SCFM Calculator — Standard Cubic Feet per Minute Our SCFM calculation tool aids you in figuring out the standardized flow rate of gas, allowing you to assess how efficiently a system can handle gas flow. Schwarzschild Radius Calculator Calculate the gravitational acceleration at the event horizon of a black hole of a given mass using the Schwarzschild radius calculator. Section Modulus Calculator Use this tool to calculate the section modulus, second area moment, and neutral axis of many structural profiles, given their dimensions. Sensible Heat Calculator Determine the heat required to change an object's temperature using our sensible heat calculator. Series Resistor Calculator Determine the equivalent resistance of a series circuit with the series resistor calculator. Shaft Size Calculator Determine the minimum diameter of your shaft using our shaft size calculator. Shear Modulus Calculator Use this tool to calculate the shear modulus of a cubic element, given its dimensions, force applied, and deformation. Shear Strain Calculator Use this tool to calculate the shear strain produced by shear forces, stresses, and twisting couples in circular shafts. Shear Stress Calculator Use our shear stress calculator to get the shear stress value of a beam subjected to a transverse load or a torque. Shear Wave Velocity Calculator Use the shear wave velocity calculator to determine the velocity of a shear wave propagating in the body. Shockley Diode Calculator Use the Shockley diode calculator to obtain the I-V characteristic of a real or ideal diode. Signal-to-Noise Ratio Calculator The SNR (signal-to-noise ratio) calculator computes the ratio of the desired signal to the level of background noise. Simple Harmonic Motion Calculator Simple harmonic motion calculator analyzes the motion of an oscillating particle. Simple Pendulum Calculator The simple pendulum calculator finds the period and frequency of a pendulum. Skin Depth Calculator The skin depth calculator allows you to determine the skin effect in conductors for any signal frequency. Sled Ride Calculator Find out if a slope is safe to sled on with our sled calculator! Slenderness Ratio Calculator Use the slenderness ratio calculator to determine the slenderness ratio of a column by entering its length and cross-sectional dimensions. Smartphone Projector Calculator In this smartphone projector calculator, you will learn how to make your very own DIY smartphone projector with a shoebox and a magnifying glass. Experiment with it and learn how to find the focal length of your magnifying glass lens. Snell's Law Calculator Use the Snell's law calculator to analyze the refraction of a ray. Solenoid Inductance Calculator The solenoid inductance calculator helps you to compute the self-inductance of a solenoid. Solenoid Magnetic Field Calculator The Solenoid Magnetic Field Calculator helps you find the magnetic field inside a long solenoid. Sound Absorption Coefficient Calculator The sound absorption coefficient calculator determines the absorption coefficient via absorbed and incident sound intensities. It also calculates the total room sound absorption and the average sound absorption. Sound Wavelength Calculator Use the sound wavelength calculator to study the behavior of sound waves in different mediums. Space Travel Calculator With the space travel calculator, you can plan your journey to another star system or even another galaxy. Specific Gas Constant Calculator Determine the properties of a gas using the specific gas constant calculator. Specific Gravity Calculator Use this specific gravity calculator to find the specific gravity of different materials and see whether they will float or sink. Specific Heat Calculator Find out how much heat is required to warm up a sample with the specific heat calculator. Specific Impulse Calculator Estimate how efficiently an engine generates thrust using the specific impulse calculator. Speed of Light Calculator Our speed of light calculator can help you to calculate the distance light can travel in a fixed time. Speed of Sound Calculator Check with our speed of sound calculator how the speed of sound in water or air changes with temperature. Speed of Sound in Solids Calculator Determine the speed of sound wave propagating through different materials using speed of sound in solids calculator. Speeds and Feeds Calculator This speeds and feeds calculator will help you set the rotation speed and feed rate of your machine tool. Spherical Capacitor Calculator Use this spherical capacitor calculator to determine the capacitance of a spherical capacitor filled with a dielectric. Spring Calculator The famous spring calculator helps you determine the relationship between spring deformation and the force or torque applied. Spring Rate Calculator The spring rate calculator can help you obtain the spring rate (spring constant) for any given spring. Spring Rate Converter Calculator Use the spring rate converter to switch quickly between multiple spring stiffness units. Stefan Boltzmann Law Calculator Stefan Boltzmann law calculator uses the temperature and emissivity of a body to find the power radiated from it. Stiffness Matrix Calculator Determine the element stiffness matrix for a truss, beam, or frame element using our stiffness matrix calculator. Stokes' Law Calculator The Stokes' law calculator will help you determine either the viscosity of a fluid or the terminal velocity of a particle in a falling ball viscometer. Stopping Distance Calculator Stopping distance calculator finds the distance your car travels before it comes to a stop. Stress Calculator Use the stress calculator to find the stress, strain and modulus of elasticity of an object. Stress Concentration Factor Calculator Use this stress concentration factor calculator to estimate the localized high stresses in the regions of geometric discontinuities. Sun Angle Calculator Our sun angle calculator helps you estimate the Sun's position in the sky regarding its elevation and azimuth angles. Sunrise Sunset Calculator Estimate the sunrise and sunset times in your local timezone based on your location using the sunrise sunset calculator. Surface Tension Calculator Determine surface tension for liquids using the surface tension calculator. SUVAT Calculator If you're dealing with an object that is constantly accelerating, this SUVAT calculator will sort you right out. Synodic Period Calculator Use our synodic period calculator to determine the synodic or the sidereal periods of a planet. Telescope Field of View Calculator If you want to know how wide is your window on the stars, our telescope field of view calculator is the right tool for you! Telescope Magnification Calculator Use this telescope magnification calculator to estimate the magnification, resolution, brightness, and other properties of the images taken by your scope. Temperature at Altitude Calculator Find the temperature above Earth's surface at any altitude with our temperature at altitude calculator! Tension Calculator Use our tension calculator to learn the tension formula and to calculate tension in ropes and strings for various physics problems. Terminal Velocity Calculator Determine the maximum velocity achievable by a falling object using the terminal velocity calculator. Thermal Conductivity Calculator The thermal conductivity calculator lets you calculate the thermal conductivity of any material or the heat flux through any object. Thermal Diffusivity Calculator Estimate the rate of transfer of heat of a material or a substance using the thermal diffusivity calculator. Thermal Efficiency Calculator Use this tool to calculate the thermal efficiency of any heat engine. Thermal Energy Calculator With the thermal energy calculator, you can estimate the kinetic energy of molecules in an ideal gas. Thermal Equilibrium Calculator The thermal equilibrium calculator helps you determine the final temperature at which two objects or systems are in thermal equilibrium. Thermal Expansion Calculator The thermal expansion calculator finds the change in length or volume of a material subject to extreme temperatures. Thermal Resistance Calculator Use our thermal resistance calculator to find the thermal resistance of an object for three different shapes: a plate, hollow cylinder, and hollow sphere. Thermal Stress Calculator Determine the stress on an object due to heating or cooling using the thermal stress calculator. Thin Lens Equation Calculator With this thin lens equation calculator, you can find the focal length of your lens. Thin-Film Optical Coating Calculator This thin-film optical coating calculator will calculate the optical path difference and reflectivity at the coating interface. Three Phase Calculator The three-phase calculator helps you estimate apparent, active, and reactive powers in an AC circuit. Thrust to Weight Ratio Calculator Estimate the thrust-to-weight ratio for real aircraft or your designs using the thrust-to-weight ratio calculator. Time Dilation Calculator Discover how time varies at high speeds with the Time Dilation Calculator – your tool for delving into the realms of special relativity. Time of Flight Calculator – Projectile Motion Check out how long a projectile remains in the air with this time of flight calculator. TNT Equivalent Calculator Use the TNT equivalent calculator to determine the TNT factor and compare different explosives. Torque Calculator If you want to find out how the object rotates when subject to a force, our torque calculator is here to help you. Torsion Spring Calculator Omni's torsion spring calculator makes calculating the parameters of such a device quick and easy! Torsional Constant Calculator Use our torsional constant calculator to find the torsional constant of many structural profiles subjected to torsion. Torsional Stiffness Calculator Use this tool to calculate the torsional stiffness by inputting the torque and the twist angle or the shear modulus, polar moment, and beam length. Trajectory Calculator Have a look at the flight path of the object with this trajectory calculator. Transformer Sizing Calculator Use our transformer sizing calculator to obtain the minimum kVA needed to power your load. Transistor Biasing Calculator Learn the operating modes of one of the most important electronic components with our transistor biasing calculator. Transmission Calculator The transmission calculator helps you quickly determine vehicle speed, RPM, and the right transmission and differential gear ratios. True Airspeed Calculator Use the true airspeed calculator to calculate the true airspeed (referred to as TAS) for all aircraft. True Strain Calculator Convert engineering stress-strain values into their true counterparts using the true strain calculator. Twist Rate Calculator Use the twist rate calculator to estimate the bullet stability factor and the right twist rate for the bullet. UFO Travel Calculator Use the UFO travel calculator to design a fast-moving UFO and estimate its performance. Universe Expansion Calculator Create your own Universe with this Universe Expansion calculator Van der Waals Equation Calculator Van der Waals equation calculator finds the relation between volume, pressure, and temperature in a real gas. Velocity Addition Calculator Use the velocity addition calculator to discover that we cannot just add the velocities. Velocity Calculator Use the velocity calculator to assess how fast an object moves, given a certain distance and time. Vickers Hardness Number Calculator Estimate the material hardness for your test specimen using the Vickers hardness number calculator. Virtual Temperature Calculator Use our virtual temperature calculator to find the density temperature using either known temperatures or the mixing ratio! Volt to Electron Volt Calculator This volt to electron volt calculator allows you to convert volts to electron volts with either coulombs or elementary charges. Voltage Divider Calculator The voltage divider calculator is a comprehensive tool that tells you about the characteristics of output signals produced in one of the simplest circuits, known as voltage dividers. Voltage Regulation Calculator Our voltage regulation calculator will help you find the ratio and percentage change of voltage regulation. Volume to Mass Calculator The volume to mass calculator has dozens of item densities that will allow you to convert volume to mass or mass to volume whenever you need. Von Mises Stress Calculator The von Mises stress calculator can help you predict if a material will yield under complex loading conditions. VSWR Calculator (Voltage Standing Wave Ratio Calculator) The VSWR calculator helps in finding the reflection coefficient, return loss, and mismatch loss from the VSWR value, or vice versa. Warp Speed Calculator Use the warp speed calculator to find a Star Trek ship's superluminal velocity, distance, and time travel based on its warp factor. Water Density Calculator Will it float or sink? Use the water density calculator, which takes temperature, salinity, and pressure into account, to answer the question. Water Heating Calculator Use the water heating calculator to determine how much time and energy you'll need to increase the temperature of the water. Water Pressure at Depth Calculator Let’s dive in to understand how water pressure and depth are related using Omni Calculator’s water pressure at depth calculator. Water Viscosity Calculator This water viscosity calculator will help you determine the viscosity of water at any temperature. Watt Calculator Discover the relationship between power, voltage, current, and resistance with our intuitive watt calculator. Watt Converter Calculator The watt converter allows you to convert between watts and any other power unit. Watt-hour Calculator Use the watt-hour calculator to obtain watt-hours from amp hours or time. Watts to Amps Calculator Watts to amps calculator helps you convert the electric power into amperage, or vice versa, depending on the applied kind of current. Watts to Heat Calculator Use the watts to heat calculator to know the power you need to heat a particular substance. Watts to Lux Calculator Watts to lux calculator will help you measure how much luminous flux is spread over a given area. Wavelength Calculator Learn the relationship between wavelength and frequency with this wavelength calculator. Weight on Other Planets Calculator With this weight on other planets calculator, you can check how much you'd weigh if you landed on another planet within our Solar system. Wet Bulb Calculator With humidity and temperature you can find out the value of the wet-bulb temperature, and if it's any different from the normal air temperature. Wheatstone Bridge Calculator Calculate unknown resistance using the Wheatstone bridge calculator. Wien's Law Calculator Use Wien's law calculator to find the temperature of any hot object based on its thermal emission spectrum. Wind Correction Angle Calculator Determine the wind correction angle for your flight using Omni's wind correction angle calculator. Wind Load Calculator This wind load calculator will show you how much force wind exerts on your structure at a specific velocity, helping you build roofs, windows, and signs safely. Wing Loading Calculator Determine the wing loading parameter to kick-start your aircraft design process using the wing loading calculator. Wire Gauge Calculator This wire gauge calculator computes the diameter, cross-sectional area, and resistance per unit length of a wire once given a wire gauge number in either the American Wire Gauge (AMG) or Standard Wire Gauge (SWG) systems. Wire Resistance Calculator The wire resistance calculator determines the resistance and conductance of a wire. Wire Size Calculator The wire size calculator will help you choose the correct electrical cable for your next installation. Work and Power Calculator Our work and power calculator can determine how much energy you need to perform a given amount of work. Work Calculator Do you want to calculate work (physics) with very little effort? With Omni's work calculator we'll do the (computational) work for you 😉 Y+ Calculator Estimate the wall distance for your CFD analysis using the Y+ calculator. Young's Modulus Calculator Quickly find out the elastic modulus from stress and strain values with our Young's modulus calculator! 