Foot size chart for sock knitting

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This article is part of my no swatch, any stitch count, any yarn sock pattern.

These measurements are the average foot circumference measures gathered from different sources (e.g. knitting books & websites). You can use the measurement as a basis when you are grading your sock design or when you are knitting the socks as a gift. However, there is no chart that works for everyone so it’s always better if you are able to measure the foot you are going to knit the sock for. If you want to improve the chances of your sock to fit I suggest that add some ribbing on the instep and cuff (e.g. two by two rib or three by one).

If you like to knit a lot of socks you should check my Etsy favorite list of sock rulers with shoe sizes on them. With a sock ruler it’s also much easier to get a nice accurate measure of your socks foot than with a measuring tape.

The finished sock circumference depends on how stretchy the stitch pattern you choose for your sock is. As a rule of thumb, stockinette socks should be made with approximately 10% of negative ease. This means that if according to the table the foot circumference is 8.5” the sock circumference should be 7.7” but for instance, colorwork socks should be made close to zero ease because the fabric is not nearly as stretchy as stockinette stitch. Zero ease means simply that the circumference of the sock and foot are the same.

You might also want to make the foot of the sock to be a tiny bit shorter than the foot of the wearer because wool stretches and the socks might end up too loose after they have been worn a day.

Scroll down for EU sizes.

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US shoe sizes

Kids

Average sock leg length: 3.5 – 6.5 inches

Shoe size (US)Foot length (inch)Estimated foot circumference (inch)
6529612
7559612
85897
96297
106597
11689723
12729723
13759723

Women

Average sock leg lengths: 6-8 inches

Shoe size (US)Foot length (inch)Estimated foot circumference (inch)
4813813
5823812
69823
79139
89239
910912
101013923
11102310
12111013

Men

Average sock leg length: 7-9 inches

Shoe size (US)Foot length (inch)Estimated foot circumference (inch)
69139
79239
810912
91013923
10102310
11111013
121113101⁄2
1311231023
141211
15121211

EU shoe sizes

Average sock leg length kids: 9 – 16.5 cm

Average sock leg length women: 15 – 20 cm

Average sock leg length men: 18 – 23 cm

Shoe size (EU)Foot length (cm)Estimated foot circumference (cm)
2213.516.5
2314.516.5
241518
2515.518
261618
271718
2817.519.5
291819.5
3018.519.5
3119.519.5
322021
3320.521
3421.521
352221.5
362322
3723.522.5
382422.5
392523
4025.524
412624.5
422725
4327.525
442826
452926.5
4629.527
473027.5
483127.5
4931.527.5
503227.5

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2 Responses

  1. Wanda H says:

    Regards socks. Women’s small..5 and 6 shoes. Medium. 7,8 Large 9-10. Is this a pretty good guestimate?

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