Free Chest & Neck Size Chart Calculator
Use our free men's shirt size converter to convert between US, UK, and EU sizes. Our shirt size chart provides accurate conversions based on chest measurements. Find your perfect fit for dress shirts and casual tops.
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 |
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