How it works
European standard EN 13402-3 labels clothes by body measurement. Its letter sizes cover fixed girth bands: men’s M is a 94–102 cm chest, women’s M a 90–98 cm bust. Enter one number and you get the letter that band belongs to, plus the whole table.
Men · chest 96 cm → M (94–102 cm)
Tips
- Brands still cut differently — check the garment’s own chart when one exists.
- Between two sizes? Go up for outerwear and knitwear, down for stretch fabrics.
- Everything runs in your browser; nothing is uploaded.
Standards and sources
- ISO 8559-1:2017 — Size designation of clothes, Part 1: Anthropometric definitions for body measurement
- ISO 8559-2:2025 — Size designation of clothes, Part 2: Primary and secondary dimension indicators
- BSI — BS EN 13402-3:2017 Size designation of clothes, Part 3: Size labelling based on body measurements and intervals
Last reviewed October 13, 2026
Frequently asked questions
Is an M the same in every country?
No — labels drift by brand and country. EN 13402 fixes M to a body girth band (men 94–102 cm, women 90–98 cm), which is the most neutral reference there is.
How do I measure my chest?
Wrap a soft tape around the fullest part of the chest under the arms, keep it level and snug but not tight, and read it after a normal breath out.
What if I fall between sizes?
If you are within 1 cm of a boundary the result says so. Pick the larger size for jackets and loose fits, the smaller for stretch.
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