Size charts / PUMA to On size conversion

PUMA to On size conversion

PUMA 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: PUMA · On

Men's

Scroll within the table to compare sizes.

PUMA and On men's sizes by US size
US	PUMA EU	On EU	PUMA 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
12.5	46 1/2	47 1/2	11.5	12
13	47	48	12	12.5
14	48 1/2	49	13	13.5

Women's

Scroll within the table to compare sizes.

PUMA and On women's sizes by US size
US	PUMA EU	On EU	PUMA UK	On UK
5.5	35 1/2	36 1/2	3	3.5
6	36	37	3.5	4
6.5	37	37 1/2	4	4.5
7	37 1/2	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 PUMA EU size the same as a On EU size?: Not always. For 14 of 14 shared US men's sizes, the EU label differs. For example, US 10.5 is EU 44 at PUMA and EU 44 1/2 at On.
What is a PUMA US 10.5 in On?: At On, US 10.5 men's is EU 44 1/2 and UK 10. At PUMA, it is EU 44 and UK 9.5.
Which sizes does the table cover?: Men's: US 7 to US 14 (14 sizes). Women's: US 5.5 to US 11 (12 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 PUMA and On charts. Fit depends on the model; check the maker's guide for the model you want.