Size charts / Vans to On size conversion

Vans to On size conversion

Vans and On sizes side by side for the same US size, men's and women's. The EU and UK labels come from each brand's own size chart. They compare size labels and do not assess product fit.

Size charts: Vans · On

Men's

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Vans and On men's sizes by US size
US	Vans EU	On EU	Vans UK	On UK
7	39	40	6	6.5
7.5	40	40 1/2	6.5	7
8	40 1/2	41	7	7.5
8.5	41	42	7.5	8
9	42	42 1/2	8	8.5
9.5	42 1/2	43	8.5	9
10	43	44	9	9.5
10.5	44	44 1/2	9.5	10
11	44 1/2	45	10	10.5
11.5	45	46	10.5	11
12	46	47	11	11.5
13	47	48	12	12.5
14	48	49	13	13.5

Women's

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Vans and On women's sizes by US size
US	Vans EU	On EU	Vans UK	On UK
5	34 1/2	36	2.5	3
5.5	35	36 1/2	3	3.5
6	36	37	3.5	4
6.5	36 1/2	37 1/2	4	4.5
7	37	38	4.5	5
7.5	38	38 1/2	5	5.5
8	38 1/2	39	5.5	6
8.5	39	40	6	6.5
9	40	40 1/2	6.5	7
9.5	40 1/2	41	7	7.5
10	41	42	7.5	8
10.5	42	42 1/2	8	8.5
11	42 1/2	43	8.5	9

Questions

Is a Vans EU size the same as a On EU size?: Not always. For 13 of 13 shared US men's sizes, the EU label differs. For example, US 10 is EU 43 at Vans and EU 44 at On.
What is a Vans US 10 in On?: At On, US 10 men's is EU 44 and UK 9.5. At Vans, it is EU 43 and UK 9.
Which sizes does the table cover?: Men's: US 7 to US 14 (13 sizes). Women's: US 5 to US 11 (13 sizes). The table shows only the US sizes that both charts list.
Does this table tell me how a shoe fits?: No. It compares the size labels of the Vans and On charts. Fit depends on the model; check the maker's guide for the model you want.