Clothing & Sizing

Denim & Jeans Size Conversion Guide

Convert jeans sizes across US, EU, UK, and Italian systems. Includes waist and inseam conversion charts for both men and women.

Last updated: 2026-04-28

Men's Jeans: Waist Size Conversion

Men's jeans in the US and UK are labeled by actual waist and inseam measurements in inches (e.g. 32×30). European brands typically express waist in centimeters or use a numeric EU size. Italian brands often add yet another scale. The table below covers the most common range.

US / UK Waist (in)Waist (cm)EU SizeItalian Size
26663640
27693741
28713842
29743943
30764044
31794145
32814246
33844347
34864448
36914650
38974852
401025054

Quick formula (men's): EU size ≈ US waist in inches + 10. Italian size ≈ US waist + 14.

Inseam Length Conversion

Inseam (inches)Inseam (cm)Typical Fit
2871Short (approx. 5′3″ and under)
3076Regular short (approx. 5′5″–5′7″)
3281Regular (approx. 5′8″–5′10″)
3486Long (approx. 5′11″–6′1″)
3691Extra long (approx. 6′2″ and over)

Women's Jeans: US Arbitrary Sizes to EU and Waist

Women's jeans in the US use an arbitrary sizing scale (0, 2, 4, 6 … or 00–18) that does not directly correspond to body measurements. European women's jeans use the same EU clothing size system as other bottoms. The table below shows approximate equivalents, but fit varies significantly by brand.

US Women'sEU SizeUK SizeWaist (inches)Waist (cm)
003042358
03262461
23482564
436102666
6381227–2869–71
840142974
10421630–3176–79
1244183281
1446203486
1648223691
1850243897

How to Measure for Jeans

  • Waist: Measure around your natural waistline, about 1 inch above your navel, with the tape snug but not tight.
  • Inseam: Measure from the crotch seam to the desired hem length along the inner leg. A pair of well-fitting trousers is a useful reference.
  • Hips: Measure around the fullest part of your hips, usually 7–9 inches below the waist.

Use our length converter to switch between inches and centimeters for any of these measurements.