Dress shirt size (15.5/34) to EU converter

US dress shirts carry two numbers, collar then sleeve. This tool converts both to what European stores show.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Enter collar and sleeve.
  2. The result appears straight away and updates as you edit.
  3. Copy the result, or copy a link that keeps the same values to share it.

How it is calculated

EU collar = collar × 2.54 to the nearest cm. Sleeve in cm = sleeve × 2.54.

Example

Inputs: Collar = 16.5 in, Sleeve = 35 in. Result: EU size: 42 / 89; EU collar: 42 cm; Sleeve length: 88.9 cm.

Limits and caveats

  • Many European shirts show only the collar, with one fixed sleeve or a short and a long option.
  • The letter size is approximate and varies by brand.

Questions about this tool

What does a 15.5/34 shirt mean?

A 15.5 in collar and a 34 in sleeve, which is an EU 39 collar and an 86.36 cm sleeve.

Is 16/35 a large?

On the common chart a 16 to 16.5 in collar is L, but some brands call it M or XL.

How do I find my collar and sleeve without a label?

Measure your neck, and your arm from the center back of the neck to the wrist, or measure a shirt that fits.