STOP-BANG Calculator

Answer each item once to see the score and interpretation.

Assessment note

This tool supports screening or structured assessment. It does not diagnose on its own.

STOP-BANG score 5
BMI 26.12
Risk High risk
5
STOP-BANG score Screening score for obstructive sleep apnea risk
Fitness & Health Calculator

STOP-BANG Calculator

Use the stop-bang calculator to understand stop-bang, check the formula, see an example, and avoid common mistakes.

Use the result as a practical estimate, then compare it with the real limit, target, benchmark, or rule that applies to your situation.

What Is STOP-BANG?

STOP-BANG helps turn Sex and Height into a clearer answer for personal tracking, wellness planning, education, and professional review.

Use the result as a practical estimate, then compare it with the real limit, target, benchmark, or rule that applies to your situation.

STOP-BANG Formula and Calculation Method

STOP-BANG is worked out from Sex, Height, Weight, and Snoring. Start by making sure those values describe the same item, period, unit system, or situation; then use stop-bang score as the main number to review.

The main values to check are Sex, Height, Weight, and Snoring. Those values should describe the same situation before you rely on the STOP-BANG result.

Check units, dates, percentages, and boundaries before relying on the answer. Most errors come from entering values that look reasonable but do not describe the same situation.

How to Use the STOP-BANG Calculator

Start with the input that is easiest to verify, then review the unit, date, rate, or option beside each remaining field.

If one value is uncertain, try a low and high version. That gives you a better feel for how sensitive the STOP-BANG result is.

Step-by-step

  • Enter Sex using the unit shown on the form.
  • Add Height with the same time period, unit system, or scenario in mind.
  • Look at STOP-BANG score, BMI, Risk before making a decision.
  • Adjust one value at a time if you want to compare different STOP-BANG cases.

Input guide

  • Sex lets you choose the scenario that matches your case, such as Male, Female.
  • Height is the number you enter for the calculation, shown in cm.
  • Weight is the number you enter for the calculation, shown in kg.
  • Snoring lets you choose the scenario that matches your case, such as No, Yes.
  • Constant tiredness lets you choose the scenario that matches your case, such as No, Yes.
  • Observed apnea lets you choose the scenario that matches your case, such as No, Yes.
  • High blood pressure lets you choose the scenario that matches your case, such as No, Yes.
  • Age is the number you enter for the calculation.
  • Neck circumference is the number you enter for the calculation, shown in cm.

Example Calculation

For example, enter Sex = male, Height = 175 cm, Weight = 80 kg, Snoring = yes. The result is stop-bang score of 5. Replace the example numbers with your own values when you are ready to check your case.

After the example, replace the sample numbers with your own values. If the result feels too high or too low, check the units and change one input at a time.

  • Choose male in Sex when it best matches your situation.
  • For Height, a practical example would be 175 cm, as long as that reflects your real scenario.
  • For Weight, a practical example would be 80 kg, as long as that reflects your real scenario.
  • Choose no in Snoring when it best matches your situation.
  • Choose no in Constant tiredness when it best matches your situation.

Understanding Your Results

stop-bang score is the number to look at first, but it should not be read on its own. Whether the answer is high, low, good, bad, efficient, or expensive depends on the units, limits, and assumptions behind the STOP-BANG calculation.

Useful result lines include STOP-BANG score, BMI, Risk. Read them together instead of relying only on the first number.

If the answer is much higher or lower than expected, recheck the measurement, units, timing, and whether the value should be interpreted with age, sex, symptoms, medications, or medical history.

Why This Metric Matters

STOP-BANG matters because it helps with personal tracking, wellness planning, education, and professional review. A clear number makes it easier to compare options and explain why one choice looks better than another.

Use it when you want a fast first-pass estimate before doing a manual review. It can also help when one assumption change could materially affect the answer. Treat the result as a practical estimate, not as a promise that every real-world detail has been captured.

  • People tracking personal wellness, training, or nutrition planning
  • Coaches and trainers preparing rough baseline estimates
  • Students learning how common health formulas are structured
  • Anyone comparing assumptions before using a more detailed medical or coaching workflow

Common Mistakes When Calculating STOP-BANG

  • Using outdated or estimated values for Sex.
  • Pairing Height with a measurement from a different time, person, or unit system.
  • Ignoring age, sex, symptoms, medications, training status, pregnancy, or health history when those details matter.
  • Comparing the result with a reference range that does not apply to the person or situation.
  • Using the calculator result as medical advice instead of educational context.

How STOP-BANG Inputs Work Together

Most STOP-BANG results are not controlled by one field alone. The answer changes when Sex, Height, Weight, and Snoring change together.

If the result surprises you, check whether the inputs belong together before assuming the answer is wrong. A formula can be mathematically correct and still be unhelpful if the values describe different periods, units, or groups.

  • Sex works with Height; changing either one can move stop-bang score.
  • Height works with Weight; changing either one can move stop-bang score.
  • Weight works with Snoring; changing either one can move stop-bang score.
  • Snoring works with Constant tiredness; changing either one can move stop-bang score.
  • Constant tiredness works with Observed apnea; changing either one can move stop-bang score.

STOP-BANG Limitations

The STOP-BANG result is only as good as the values you enter. Even a correct formula can mislead you if the inputs are outdated, rounded too much, or measured under different conditions.

If the result could influence medical, nutrition, pregnancy, or treatment decisions, use it as an educational estimate and verify it with a qualified clinician or specialist.

If you plan to share the answer, keep the inputs with it. That makes the STOP-BANG calculation easier to check, repeat, or update later.

Related STOP-BANG Calculators

These related calculators cover follow-up questions that often come up when working with STOP-BANG.

  • BMI Calculator: compare a nearby BMI question.
  • Body Fat Calculator: compare a nearby body fat question.
  • BMR Calculator: compare a nearby BMR question.
BMI Calculator Use the bmi calculator to compare a nearby BMI question. Body Fat Calculator Use the body fat calculator to compare a nearby body fat question. BMR Calculator Use the bmr calculator to compare a nearby BMR question.

Frequently asked questions

Common questions about STOP-BANG, input values, result ranges, and when professional guidance matters.

How is STOP-BANG calculated?

STOP-BANG uses Sex and Height with the relevant health formula or scoring method, then reports stop-bang score for interpretation.

Is STOP-BANG accurate for everyone?

No. STOP-BANG can be useful for screening or planning, but age, sex, body composition, medications, medical history, pregnancy, training status, and measurement quality can affect interpretation.

What does a high STOP-BANG result mean?

A high result may indicate a higher measurement, score, risk level, or target value depending on the calculator. Read the result with the category labels and clinical context, not as a diagnosis.

What does a low STOP-BANG result mean?

A low result may be normal, desirable, or a warning sign depending on the metric. Check the calculator's units, reference range, and whether the inputs match the person being assessed.

What inputs matter most for STOP-BANG?

Sex and Height often drive the result most directly. Use current measurements and the correct units before comparing the result with any reference range.

Can STOP-BANG replace medical advice?

No. Use it as educational or planning information. Decisions about diagnosis, treatment, medication, pregnancy, or urgent symptoms should be reviewed with a qualified clinician.