Brooks Running Size Chart

Men’s shoes

US	UK	Europe
5	4	37.5
5.5	4.5	38
6	5	38.5
6.5	5.5	39
7	6	40
7.5	6.5	40.5
8	7	41
8.5	7.5	42
9	8	42.5
9.5	8.5	43
10	9	44
10.5	9.5	44.5
11	10	45
11.5	10.5	45.5
12	11	46
12.5	11.5	46.5
13	12	47.5
14	13	48.5
15	14	49.5
16	15	50.5

Width	Men's	Women's
Narrow	B	2A
Medium	D	B
Wide	2E	D
Extra Wide	4E	2E

Women’s shoes

US	UK	Europe
5	3	35.5
5.5	3.5	36
6	4	36.5
6.5	4.5	37.5
7	5	38
7.5	5.5	38.5
8	6	39
8.5	6.5	40
9	7	40.5
9.5	7.5	41
10	8	42
10.5	8.5	42.5
11	9	43
11.5	9.5	44
12	10	44.5
12.5	10.5	45
13	11	45.5

Width	Men's	Women's
Narrow	B	2A
Medium	D	B
Wide	2E	D
Extra Wide	4E	2E

All-gender shoes

US	UK	Europe
5	4	37.5
5.5	4.5	38
6	5	38.5
6.5	5.5	39
7	6	40
7.5	6.5	40.5
8	7	41
8.5	7.5	42
9	8	42.5
9.5	8.5	43
10	9	44
10.5	9.5	44.5
11	10	45
11.5	10.5	45.5
12	11	46
12.5	11.5	46.5
13	12	47.5
14	13	48.5
15	14	49.5
16	15	50.5

Width	All-gender	Men's	Women's
Narrow	B	B	2A
Medium	D	D	B
Wide	2E	2E	D
Extra Wide	4E	4E	2E

All-Gender US	Women's US	Men's US	UK	Europe
5	6.5	5	4	37.5
5.5	7	5.5	4.5	38
6	7.5	6	5	38.5
6.5	8	6.5	5.5	39
7	8.5	7	6	40
7.5	9	7.5	6.5	40.5
8	9.5	8	7	41
8.5	10	8.5	7.5	42
9	10.5	9	8	42.5
9.5	11	9.5	8.5	43
10	11.5	10	9	44
10.5	12	10.5	9.5	44.5
11	12.5	11	10	45
11.5	13	11.5	10.5	45.5
12	13.5	12	11	46
12.5	14	12.5	11.5	46.5
13	14.5	13	12	47.5
14	15.5	14	13	48.5
15	16.5	15	14	49.5
16	17.5	16	15	50.5