Size Studio
EU Collar 38 Shirt Size in Neck Inches (UK/US)
An EU collar 38 shirt fits a 15-inch neck in UK and US sizing, and on letter-sized shirts it is usually M.
| Neck (UK/US) | EU collar (cm) | Letter |
|---|---|---|
| 15" | 38 | M |
Good to know
- EU collar sizes are the neck in centimetres. UK and US shirts use inches, in half-inch steps.
- Measure around the base of your neck where the collar sits, with one finger under the tape.
Sizes either side
Smaller: EU 37Larger: EU 39Open the full converterHow to measure yourself
Questions
What is a 15 inch neck in cm?
An EU collar 38.
What letter size is a 15 neck?
Usually M, though letter sizes vary by brand.
What is collar 38 in UK sizes?
15 inches.
Shop Men’s Shirts
More size tools
All tools- Shoe Size ConverterUS, UK, EU and cm for men and women, including men-to-women.
- Watch Size for Wrist CalculatorCase diameter, lug-to-lug and strap length for your wrist.
- Hat Size Chart & CalculatorHead measurement to US, UK, EU and S–XXL fedora sizes.
- Ring Size Converter & Printable SizerUS numbers, UK letters, EU, Japan and mm, plus a print-at-home sizer.
- Dress Size ConverterWomen's UK, US, EU, French, Italian, Australian and Japanese sizes.
- Jeans & Trousers Size ConverterWaist sizes to US, UK and EU for men and women.
- Belt Size CalculatorTrouser waist to belt size in inches and centimetres.
- Men's Shirt Size Chart (Neck & Sleeve)Neck size in inches and cm, S–XXL, and what 16/34 means.
- Backpack Size Guide (Litres)Dimensions to litres, and the right size for your trip.
- Men's Clothing Size ConverterSuits, jackets and T-shirts: UK, US, EU and chest sizes.