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Hat size converter

Hat sizes from your head measurement: cm, inches, US, UK and S/M/L.

  • Free
  • No sign-up
  • Works on any device

About Hat size converter

Wrap a soft tape around your head about 1 cm above the eyebrows and ears. The measurement in centimetres or inches maps to a US, UK or S/M/L hat size. UK sizes run 1/8 above US ones, and fitted caps use fractions like 7 1/4.

How to use Hat size converter

  1. Type the value you want to convert.
  2. Choose the units to convert from and to.
  3. See the answer instantly, with a table of every unit and the formula.

Why use this tool?

Also known as

Frequently asked questions

What hat size is a 58 cm head?

About a US 7 1/4 or UK 7 3/8, usually sold as Medium or Large depending on the brand.

Is Hat size converter free?

Yes. Hat size converter on Toolipedia is free to use, with no sign-up and no watermark.

Is it safe to use?

Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.

Does it work on my phone?

Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.

Do I need an account?

No. Just open the page and use the tool. There's no sign-up and no email needed.

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