Jacket Size Calculator

Estimate jacket size from chest.

US jacket size L
Step-by-step with your numbers:
1. Values used:
2. Chest = 42
3. US jacket size = L
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Find jacket size from chest circumference.

The math behind it

chest: <36 XS, 36–38 S, 38–40 M, 40–43 L, 43–46 XL, >46 XXL.

FAQ

Suit jacket?

Suit sizing uses chest size + a number (e.g. 42R).