Karhu to Onitsuka Tiger men's shoe size

The short answer

Karhu 11 is Onitsuka Tiger 11 by the two brands' own charts. 0 of 12 Karhu sizes land on a different label at Onitsuka Tiger.

At least one of the two brands publishes no foot length, so the rows line up the US size both charts print. Treat it as the label conversion, not a fit.

Every Karhu size read across to Onitsuka Tiger. US men's sizes on the left, US men's on the right.
Karhu	Onitsuka Tiger, by chart	Same label	Onitsuka Tiger also prints
8	8	not published	UK 7 · EU 41.5 · CM / JP 26
8.5	8.5	not published	UK 7.5 · EU 42 · CM / JP 26.5
9	9	not published	UK 8 · EU 42.5 · CM / JP 27
9.5	9.5	not published	UK 8.5 · EU 43.5 · CM / JP 27.5
10	10	not published	UK 9 · EU 44 · CM / JP 28
10.5	10.5	not published	UK 9.5 · EU 44.5 · CM / JP 28.25
11	11	not published	UK 10 · EU 45 · CM / JP 28.5
11.5	11.5	not published	UK 10.5 · EU 46 · CM / JP 29
12	12	not published	UK 11 · EU 46.5 · CM / JP 29.5
12.5	12.5	not published	UK 11.5 · EU 47 · CM / JP 30
13	13	not published	UK 12 · EU 48 · CM / JP 30.5
14	14	not published	UK 13 · EU 49 · CM / JP 31
15	not made	not published	not published

Neither chart publishes the body each size is built for, so the rows line up the labels. Tinted rows change label or sit between two sizes. 1 sizes have no counterpart on the Onitsuka Tiger chart. Read from the two charts only; no formula and no averaging.

What wearers say

Charts describe a garment, not a fit. We do not collect fit reports for this category yet, so this table is the two brands' own claims and nothing more.

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Sources

Karhu size guide, read on 2026-09-18. Karhu on TrueToSize
Onitsuka Tiger size guide, read on 2026-09-25. Onitsuka Tiger on TrueToSize

Onitsuka Tiger to Karhu