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Convert / Shoes

ASICS to Clarks shoe size

The short answer

ASICS 4 is Clarks 5 by the two brands' own charts. 16 of 16 ASICS sizes land on a different label at Clarks.

Both brands publish the foot length each size is built for, so every row matches a foot, not a label.

On 6 sizes the charts land two or more sizes from the same label. Brands do not measure the body the same way, so on those rows treat the chart answer and the same label as the two ends of a range.

Every ASICS size read across to Clarks. US women's sizes on the left, US women's on the right.
ASICSASICS builds it forClarks, by chartSame labelClarks builds it forClarks also prints
4foot length 21.5 cm5not publishedfoot length 21.6 cmUK 2.5
4.5foot length 22 cm5½not publishedfoot length 22.1 cmUK 3
5foot length 22.5 cm65foot length 22.6 cmUK 3.5
5.5foot length 22.8 cm65½foot length 22.6 cmUK 3.5
6foot length 23 cm6½6foot length 23.1 cmUK 4
6.5foot length 23.5 cm76½foot length 23.6 cmUK 4.5
7foot length 24 cm7½7foot length 23.9 cmUK 5
7.5foot length 24.5 cm8½7½foot length 24.6 cmUK 6
8foot length 25 cm98foot length 25.1 cmUK 6.5
8.5foot length 25.5 cm9½8½foot length 25.4 cmUK 7
9foot length 25.8 cm109foot length 25.9 cmUK 7.5
9.5foot length 26 cm109½foot length 25.9 cmUK 7.5
10foot length 26.5 cm11 or 10½10foot length 26.7 cmUK 8.5
10.5foot length 27 cm1110½foot length 26.7 cmUK 8.5
11foot length 27.5 cm1211foot length 27.7 cmUK 9.5
11.5foot length 28 cm12not publishedfoot length 27.7 cmUK 9.5
12foot length 28.5 cmnot made12not publishednot published
12.5foot length 28.8 cmnot madenot publishednot publishednot published
13foot length 29 cmnot madenot publishednot publishednot published
Tinted rows change label or sit between two sizes. 3 sizes have no counterpart on the Clarks chart. Read from the two charts only; no formula and no averaging.

What wearers say

Charts describe a garment. People who own both brands describe a fit, and their answer ranks above this table once five of them stand behind it. Pick your size in the converter to see whether there are enough yet.

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Sources

Clarks to ASICS