Nike vs New Balance shoe sizes

Nike and New Balance don't always agree. Here is every US size side by side, from each brand's own chart.

Men's sizes

16 of 28 shared men's US sizes have the same EU size. At men's US 9, Nike is EU 42.5 and New Balance is EU 42.5.

Pink: Nike and New Balance print a different EU size.

US	Nike UK	Nike EU	Nike cm	New Balance UK	New Balance EU	New Balance cm
2.5	–	–	–	2	34	20.5
3	–	–	–	2.5	35	21
3.5	3	35.5	22.5	3	35.5	21.5
4	3.5	36	23	3.5	36	22
4.5	4	36.5	23.5	4	37	22.5
5	4.5	37.5	23.5	4.5	37.5	23
5.5	5	38	24	5	38	23.5
6	5.5	38.5	24	5.5	38.5	24
6.5	6	39	24.5	6	39.5	24.5
7	6	40	25	6.5	40	25
7.5	6.5	40.5	25.5	7	40.5	25.5
8	7	41	26	7.5	41.5	26
8.5	7.5	42	26.5	8	42	26.5
9	8	42.5	27	8.5	42.5	27
9.5	8.5	43	27.5	9	43	27.5
10	9	44	28	9.5	44	28
10.5	9.5	44.5	28.5	10	44.5	28.5
11	10	45	29	10.5	45	29
11.5	10.5	45.5	29.5	11	45.5	29.5
12	11	46	30	11.5	46.5	30
12.5	11.5	47	30.5	12	47	30.5
13	12	47.5	31	12.5	47.5	31
13.5	12.5	48	31.5	13	48.5	31.5
14	13	48.5	32	13.5	49	32
14.5	13.5	49	32.5	–	–	–
15	14	49.5	33	14.5	50	33
15.5	14.5	50	33.5	–	–	–
16	15	50.5	34	15.5	51	34
16.5	15.5	51	34.5	–	–	–
17	16	51.5	35	16.5	52	35
17.5	16.5	52	35.5	–	–	–
18	17	52.5	36	17.5	53	36
18.5	17.5	53	36.5	–	–	–
19	18	53.5	37	18.5	54	37
19.5	18.5	54	37.5	–	–	–
20	19	54.5	38	19.5	55	38
20.5	19.5	55	38.5	–	–	–
21	20	55.5	39	–	–	–
21.5	20.5	56	39.5	–	–	–
22	21	56.5	40	–	–	–

14 of 24 shared women's US sizes have the same EU size. At women's US 9, Nike is EU 40.5 and New Balance is EU 40.5.

Pink: Nike and New Balance print a different EU size.

US	Nike UK	Nike EU	Nike cm	New Balance UK	New Balance EU	New Balance cm
3	–	–	–	1	33	20
3.5	1.5	33.5	21	1.5	33.5	20.5
4	1.5	34.5	21	2	34	21
4.5	2	35	21.5	2.5	34.5	21.5
5	2.5	35.5	22	3	35	22
5.5	3	36	22.5	3.5	36	22.5
6	3.5	36.5	23	4	36.5	23
6.5	4	37.5	23.5	4.5	37	23.5
7	4.5	38	24	5	37.5	24
7.5	5	38.5	24.5	5.5	38	24.5
8	5.5	39	25	6	39	25
8.5	6	40	25.5	6.5	40	25.5
9	6.5	40.5	26	7	40.5	26
9.5	7	41	26.5	7.5	41	26.5
10	7.5	42	27	8	41.5	27
10.5	8	42.5	27.5	8.5	42.5	27.5
11	8.5	43	28	9	43	28
11.5	9	44	28.5	9.5	43.5	28.5
12	9.5	44.5	29	10	44	29
12.5	10	45	29.5	10.5	45	29.5
13	10.5	45.5	30	11	45.5	30
13.5	11	46	30.5	11.5	46	30.5
14	11.5	47	31	12	46.5	31
14.5	12	47.5	31.5	–	–	–
15	12.5	48	32	13	48	32
15.5	13	48.5	32.5	–	–	–
16	13.5	49	33	14	49	32.5
16.5	14	50	33.5	–	–	–
17	14.5	50.5	34	–	–	–
17.5	15	51	34.5	–	–	–
18	15.5	51.5	35	–	–	–
18.5	16	52	35.5	–	–	–
19	16.5	52.5	36	–	–	–
19.5	17	53	36.5	–	–	–
20	17.5	53.5	37	–	–	–
20.5	18	54	37.5	–	–	–
21	18.5	54.5	38	–	–	–
21.5	19	55	38.5	–	–	–
22	19.5	55.5	39	–	–	–
22.5	20	56	39.5	–	–	–

Brands measure cm differently: some print the shoe's length, others your foot's length. We match brands by US size, never by cm.