41
in
48
104
cm
6
cm
41
in
48
104
cm
6
cm
The Clothing Size Converter for Men translates US men's clothing sizes (letter sizes: XS through XXL) to European (EU) numerical sizes, UK chest measurements, and chest circumference in centimeters. This is essential for online shopping from international brands and for understanding sizing when traveling or ordering from foreign retailers.
Men's clothing in the United States typically uses letter-based sizing (S, M, L, XL) for casual wear and numerical sizing for dress shirts (neck and sleeve measurements) and suits (chest measurements). The letter sizes correspond roughly to numbered chest sizes: S = 36-38, M = 38-40, L = 42-44, XL = 46-48.
In Europe, men's clothing uses numerical sizes based on chest or body measurements. The EU system runs from approximately 44 (XS) through 58+ (XXL). Italian and French sizes tend to follow the same numbering. German sizing may differ slightly. The EU size roughly equals the chest circumference in centimeters divided by 2.
The UK system traditionally uses chest measurements in inches. A UK size 38 means the garment is designed for a 38-inch chest. This makes UK sizing relatively intuitive if you know your body measurements.
This converter provides the EU numerical size, UK chest size in inches, and actual chest circumference in centimeters for each US letter size. As with women's clothing, the most reliable approach is to measure your own chest (around the fullest part, under the arms, tape level) and compare directly to the brand's size chart. Letter and number sizing are guides, but actual measurements are the best predictor of fit.
The conversions map US letter sizes to standard EU numerical sizes and chest measurements: XS = EU 44 (86 cm chest), S = EU 46 (91 cm), M = EU 48-50 (99 cm), L = EU 52-54 (109 cm), XL = EU 56 (117 cm), XXL = EU 58 (124 cm).
These conversions represent average industry standards. Fit varies significantly between brands, especially between European slim-fit and American relaxed-fit styles. Measure your chest circumference at its widest point for the most reliable sizing. For suits and formal wear, you also need shoulder width, sleeve length, and torso length measurements. Keep in mind that Italian and French brands tend to run slimmer than German or Scandinavian brands at the same numerical size, and American brands are generally the most generous in their cut.
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US M = EU 48-50 = UK 38-40
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US XL = EU 56 = UK 46
US Medium corresponds to EU sizes 48-50, with a chest circumference of approximately 96-102 cm (38-40 inches).
Stand naturally and measure around the fullest part of your chest, under your arms, with the tape measure level. Do not puff out your chest or hold your breath. The tape should be snug but not compressing.
Yes. Suit sizes use chest measurements directly (e.g., a '40 Regular' suit is for a 40-inch chest). Casual letter sizes (S, M, L) each span a range of chest measurements and are less precise.
Men's pants are sized by waist measurement in inches (US/UK) or centimeters (EU). The conversion is straightforward: measure your waist and compare to the brand's chart. EU pant sizes are sometimes double the waist measurement in cm (e.g., EU 50 = 84-88 cm waist).
Generally yes. European brands, especially Italian and French, tend toward slimmer cuts. A European M may fit more like a US S. Always check measurements rather than relying on letter sizes alone.
These refer to how much extra fabric is in the garment beyond your body measurements. Slim fit adds 2-4 inches to chest measurement, regular adds 4-6 inches, and relaxed/classic adds 6+ inches.
US/UK dress shirts use neck circumference and sleeve length in inches (e.g., 15.5/34). European dress shirts use neck circumference in centimeters (e.g., 39/40). To convert: multiply inches by 2.54.
For casual wear, size up for comfort or size down for a fitted look. For suits and dress shirts, size up and have the garment tailored for the best fit.
No. Asian sizing (Japanese, Korean, Chinese) tends to run 1-2 sizes smaller than US/EU sizing. A Japanese L is often closer to a US M. Always check specific size charts for Asian brands.
Outerwear follows the same general sizing but needs additional room for layering. Many people go up one size in jackets compared to their shirt size, especially for winter coats meant to be worn over sweaters.
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