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Convert UK Sizes to US Women's Sizes

1 uk = 3.5 us women's sizes. Multiply by 1, then + 2.5.

Result
3.5

1 UK = 3.5 US W

Multiply by 1, then + 2.5.

Sizes vary between brands and styles by up to a full size. Use this as a starting point and check the maker's own chart. About accuracy

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UK Sizes to US Women's Sizes table

UK SizesUS Women's Sizes
1 UK3.5 US W
2 UK4.5 US W
3 UK5.5 US W
4 UK6.5 US W
5 UK7.5 US W
10 UK12.5 US W
20 UK22.5 US W
25 UK27.5 US W
50 UK52.5 US W
100 UK102.5 US W
500 UK502.5 US W
1000 UK1,002.5 US W

About these units

The uk (UK) is an imperial unit of shoe size.

The us women (US W) is a US customary unit of shoe size.

Going the other way, 1 us women = -1.5 uk sizes. Shoe sizing is three different systems built on the same foot. The UK and US scales count barleycorns, one third of an inch per size; Europe counts Paris points, two thirds of a centimetre; Japan and Mondopoint simply state the foot length. Measure your foot while standing, heel to longest toe, and convert from that length rather than from another brand's size.

Frequently asked

How many us women's sizes are in a uk?
1 uk = 3.5 us women's sizes.
How do you convert uk sizes to us women's sizes?
Multiply by 1, then + 2.5.
What is 10 UK in US W?
10 UK = 12.5 US W.

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