Convert chest measurements & international sizes
Chest: Measure around the fullest part of your chest, under your arms.
Measure around the fullest part of your chest, under your arms and across your shoulder blades. Keep the tape measure level and snug but not tight.
Letter sizes (S, M, L, XL) are general fits that cover a range of measurements. Numeric sizes (38, 40, 42) are more precise and typically based on chest measurement in inches or centimeters. Numeric sizes offer a more tailored fit.
EU shirt sizes are typically 10 sizes larger than US sizes. For example, US 40 equals approximately EU 50. EU sizes are based on chest circumference in centimeters.
| Chest (cm) | Letter | US | EU | UK |
|---|