Jeans Size Calculator

Adjust the calculator values below

Recommended US waist/length size 30/32
US numeric size 10
US letter size M
UK size 14
EU size 42
Italy size 46
Russia size 48
Japan size 11/13
Chart Women's jeans chart
Measurement basis Body waist circumference
Entered waist circumference 30 in
Entered laid-flat waistband width Not used for body measurement
Derived waist circumference 30 in
Entered inseam length 32 in
Matched listed waist 30 in
Matched standard length 32 in (regular)
Waist match difference Exact listed-waist match
Length match difference Exact standard-length match
Waist chart status Within the published women's waist chart
Length chart status Within the 30-34 in standard-length range
Waist matching rule Next listed waist size when between rows
Fit reminder Confirm the brand's rise, cut, stretch, and product-specific chart before buying
30/32, US 10, M
Recommended women's US jeans size 30 in waist, 32 in inseam, and next listed waist when between sizes
Other Calculator

Jeans Size Calculator

Convert body waist or doubled laid-flat jeans width plus inseam into women's or men's US W/L, letter, UK, EU, and Italian chart sizes.

Measure either your body or an existing pair

For a body measurement, enter waist circumference at the belly-button level used by the source chart. For a pair of jeans, lay the garment flat without stretching, measure straight across the waistband at the button, and let the calculator double that width. Keeping these workflows conditional prevents width and circumference from being entered as unrelated values.

Measure inseam separately from waist

Measure from the crotch down the inside leg to the desired hem, or follow the inside seam of a well-fitting pair. The calculator matches inseam to the nearest 30-inch short, 32-inch regular, or 34-inch long standard, resolving an exact midpoint toward the longer option.

Match the published men's or women's waist chart

The women's chart covers listed 25-39 inch waists and supplies US numeric and letter sizes plus UK, EU, Italian, Russian, and Japanese equivalents. The men's chart covers listed 28-44 inch waists and supplies US numeric and letter sizes plus UK, EU, and Italian equivalents.

Handle measurements between listed rows deliberately

The default method chooses the next listed waist at or above the derived circumference, so a chart row smaller than the measurement is not recommended. The optional nearest-row method is useful for comparison. Measurements outside the published waist range return no chart size instead of silently clamping to an endpoint.

Treat chart labels as a starting point

Jeans sizing is not universal. Rise, cut, stretch, wash, fabric recovery, vanity sizing, desired ease, body shape, shrinkage, and brand grading can change fit. W/L labels describe nominal inches rather than guaranteeing a garment's finished measurement, so confirm the seller's own chart and returns policy.

Frequently asked questions

Common questions about body and garment measurements, doubled waistband width, inseam standards, international chart sizes, between-size matching, and brand fit.

How do I measure my waist for jeans?

For the source chart's body workflow, wrap a flexible tape level around your waist at belly-button level, keep it comfortably close to the body, and enter the full circumference.

How do I measure a pair of jeans laid flat?

Lay the jeans flat without stretching them and measure straight across the waistband at the button. The calculator doubles that width to estimate the jeans waist circumference.

How do I measure jeans inseam length?

Measure from the crotch seam down the inside leg to the hem, or from your groin to the desired hem point. The calculator compares it with 30-inch short, 32-inch regular, and 34-inch long standards.

What does women's waist size 32 correspond to?

The published women's row for a 32-inch waist is 32/32, US numeric 14 or L, UK 18, EU 46, Italy 50, Russia 54, and Japan 13/15.

What is UK women's size 10 in the US jeans chart?

The published conversion row is a 28-inch waist: US 28/32, numeric 6, or S; UK 10; EU 38; and Italy 42.

What happens when my waist is between men's listed rows?

The default method selects the next listed waist so it does not recommend a smaller chart row. The optional nearest method compares absolute distance, with midpoint ties resolved toward the larger waist.

Why might a brand recommend a different jeans size?

Rise, cut, stretch, wash, fabric recovery, shrinkage, vanity sizing, body shape, and brand grading vary. Use this chart as a starting point and confirm the product-specific size guide.