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    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)LetterEU NumericJP
    28XS44S / 76
    30S46S / 80
    32M48M / 84
    34L50L / 88
    36XL52LL / 92
    382XL543L / 96
    403XL564L / 100
    424XL585L

    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.