UK Sock Size Guide

Finding the right sock size in the UK can be confusing. This guide explains UK sock sizes and how to convert them to EU, US, and other international sizes.

UK sock size chart

Sock size label UK shoe size EU shoe size US size (women) US size (men)
Small / one size 3-5 36-38 5-7.5 4-6
Medium (4-7) 4-7 37-41 6-9.5 5-8
Medium-Large (4-8) 4-8 37-42 6-10.5 5-9
Large (7-11) 7-11 41-45 9.5-13 8-12
Extra Large (11-14) 11-14 45-49 13+ 12+

What does UK 4-8 mean on a sock label?

It means the sock fits anyone with a UK shoe size between 4 and 8. The elastic fabric allows it to fit comfortably across that range.

How to convert UK sock sizes to EU

  • UK 4 = EU 37
  • UK 5 = EU 38
  • UK 6 = EU 39
  • UK 7 = EU 40-41
  • UK 8 = EU 42
  • UK 9 = EU 43
  • UK 10 = EU 44
  • UK 11 = EU 45

Tips for getting the right fit

  • Between sizes? Size up - a slightly larger sock is more comfortable.
  • Heel pocket should sit at your heel, not mid-foot.
  • No bunching at the toe.
  • Cuff should not dig in - for sensitive feet, choose non-binding cuffs.

Women vs men sock sizes

Women's socks typically cover UK 3-7, men's cover UK 6-11.

Shop Women's Socks | Shop Men's Socks

Frequently asked questions

What size are one size socks?

In the UK, one size typically fits UK 4-8 for women and 6-11 for men.

Do sock sizes match shoe sizes?

Yes - UK sock sizes correspond directly to UK shoe sizes.

What is UK sock size 4-8 in US?

UK 4-8 = approximately US women's 6-10.5 or US men's 5-9.

Are bamboo socks true to size?

Yes. Browse our bamboo sock collection.

Do diabetic socks come in different sizes?

Yes. Shop diabetic socks.