The Challenge
European and Asian clothing brands list trouser inseam in centimeters. US and UK brands use inches. An 82cm inseam on a pair of German jeans is a US size 32 — but is it a 32 short, 32 regular, or 32 long? A 76cm inseam is a 30-inch leg. An inseam of 86cm is a 34-inch leg. The formula is the same as any length conversion: divide centimeters by 2.54. But for clothing, you also need to know how brands round — most US jeans come in whole-inch increments (28, 30, 32, 34, 36), so an 81.3cm inseam rounds to 32 inches, not 32.0079.
Inseam Conversion Chart: cm to Inches and US Size
| Centimeters | Exact Inches | US Jeans Size |
|---|---|---|
| 71 cm | 27.95 in | 28 |
| 73 cm | 28.74 in | 28–29 |
| 74 cm | 29.13 in | 29 |
| 76 cm | 29.92 in | 30 |
| 78 cm | 30.71 in | 30–31 |
| 79 cm | 31.10 in | 31 |
| 81 cm | 31.89 in | 32 |
| 83 cm | 32.68 in | 32–33 |
| 84 cm | 33.07 in | 33 |
| 86 cm | 33.86 in | 34 |
| 88 cm | 34.65 in | 34–35 |
| 89 cm | 35.04 in | 35 |
| 91 cm | 35.83 in | 36 |
| 94 cm | 37.01 in | 37 |
| 97 cm | 38.19 in | 38 |
Women's Trouser Length by Fit Category
| Fit Label | Centimeters | Inches |
|---|---|---|
| Short / Petite | 71–74 cm | 28–29 in |
| Regular | 76–79 cm | 30–31 in |
| Long / Tall | 81–86 cm | 32–34 in |
| Extra Long | 89–94 cm | 35–37 in |
How to Find Your US Inseam Size from a cm Measurement
- Divide your inseam in cm by 2.54 to get exact inches — example: 84cm ÷ 2.54 = 33.07 inches
- Round to the nearest whole inch — 33.07 rounds to 33
- Check if the brand stocks that size: most US brands carry even numbers (30, 32, 34, 36) only
- If between sizes, round down for a cropped look or up if you plan to hem
Why Inseam Sizes Vary Between Brands at the Same Number
A size 32 inseam is not always 81.28cm. Brands cut and hem differently. Raw denim labeled 32 often measures 33–34 inches before the first wash, expecting 2–5% shrinkage. Stretch jeans labeled 32 may measure 31.5 inches because the fabric recovers after wearing. Tailored trousers labeled 32 are finished at exactly 32 inches with no hem allowance. When ordering online across brands, always check the garment measurements listed in the product page — not just the size label.
Measuring Your Own Inseam vs Using a Garment
Step-by-Step Workflow
Measure your inseam in centimeters from crotch seam to ankle bone
Enter the value — result shows exact inches and nearest US jeans size
Check the size chart below for brand-specific rounding differences
Specifications
- Formula
- inches = centimeters ÷ 2.54
- 76 cm
- 29.9 in → size 30
- 78 cm
- 30.7 in → size 31
- 81 cm
- 31.9 in → size 32
- 84 cm
- 33.1 in → size 33
- 86 cm
- 33.9 in → size 34
- 89 cm
- 35.0 in → size 35/36
Best Practices
- Most US jeans brands use even-number inseams only: 28, 30, 32, 34, 36 — round to nearest even
- European brands like Levi's EU list inseam as L28, L30, L32 — the number is inches despite metric sizing
- H&M and Zara list inseam in cm for EU markets; divide by 2.54 and round down for best fit
- For dress trousers, add 2–3cm to your measured inseam to allow for hem adjustment
- Women's trouser inseams: short = 76cm (30in), regular = 81cm (32in), long = 86–89cm (34in)
Frequently Asked Questions
What is 82cm inseam in inches?
82cm ÷ 2.54 = 32.28 inches. This rounds to a US size 32 inseam. Most jeans labeled L32 are cut to 81–82cm before washing, which typically shrinks them 1–2cm. If buying unwashed denim, size 32 is your match.
What is 76cm inseam in inches?
76cm ÷ 2.54 = 29.92 inches — effectively a US size 30 inseam. This corresponds to a short or petite trouser length for most women and a short fit for men under 5'7".
How do I measure my inseam correctly?
Stand barefoot. Measure from the crotch seam (where the two legs of your trousers meet) straight down to the floor. Do not bend the tape. Alternatively, measure a pair of trousers that fit well: lay them flat and measure from the crotch seam to the bottom of the leg hem.
What is the difference between inseam and trouser length?
Inseam is the inner leg seam length from crotch to hem. Trouser length (sometimes called outseam) is measured from the waistband to the hem along the outside of the leg. Inseam is the standard measurement used for jeans and most casual trousers. Outseam is used for tailoring and formal trousers.
Why do some brands list L30, L32 and others list 76cm, 81cm?
US and UK brands use the inch-based L system (L28 through L36). European brands selling domestically often list inseam in centimeters. The L-number is always inches: L32 = 81.28cm. When a European brand lists both a waist in cm and an L-number, the L-number is the inseam in inches — not centimeters.