Japanese to US Clothing Size Guide
Letter-size reference for tops and casual wear, plus a calculator from your body measurements. Chart last updated: 2026-04-05.
Japanese labels on tags often run smaller than US vanity sizing. Use brand charts when available; this table is a generic planning reference aligned with common international tops guidance.
Women: JP label → US hint
| JP | US letter | US numeric hint |
|---|---|---|
| S | XS | 0–2 |
| M | S | 4–6 |
| L | M | 8–10 |
| XL | L | 12–14 |
| XXL | XL | 16–18 |
Men: JP label → US hint
| JP | US hint | Chest size hint |
|---|---|---|
| S | XS–S | 34–36 |
| M | S–M | 38–40 |
| L | M–L | 42–44 |
| XL | L–XL | 46–48 |
| XXL | XL–XXL | 50+ |
Top Size Converter
Input your body measurements and get the best-matching sizes across brands and ranges.
Body Measurements
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Size Matches
0 results| Primary Label | US | UK | EU | JP | Chest/Bust (in) | Waist (in) | Hip (in) | Range | Fit |
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