International conversions Oct 31, 2026 3 min read
Men's Jeans Size Conversion (US, UK, EU, JP, AU)
Men's jeans worldwide use inch-waist + inseam (W32 L32). EU sometimes adds letter sizing. Japanese sizing runs slightly smaller.
The Chart
| Inch (US/UK/EU) | Letter | EU Numeric | JP |
|---|---|---|---|
| 28 | XS | 44 | S / 76 |
| 30 | S | 46 | S / 80 |
| 32 | M | 48 | M / 84 |
| 34 | L | 50 | L / 88 |
| 36 | XL | 52 | LL / 92 |
| 38 | 2XL | 54 | 3L / 96 |
| 40 | 3XL | 56 | 4L / 100 |
| 42 | 4XL | 58 | 5L |
FAQs
Why men's jeans use inch sizing globally?
Levi's set the global standard with W x L inch sizing in the 1950s-60s, exporting it everywhere. Modern jeans manufacturers worldwide use the same system. EU letters are convenience overlay.
Why does my Japanese 'L' fit smaller?
Japanese L is closer to US M. Japanese standard body measurements run smaller. Japanese-made denim labeled L in inches usually sits at 32-33" waist, not 34".
Need this on your store?
Tailor Size Guide ships pre-built size charts for Shopify.