On Running - Men & Women Size Chart

US (Mens)	Euro	UK	CM (foot)
7	40	6.5	24.6
7.5	40 2/3	7	25
8	41 1/3	7.5	25.5
8.5	42	8	25.9
9	42 2/3	8.5	26.3
9.5	43 1/3	9	26.7
10	44	9.5	27.1
10.5	44 2/3	10	27.6
11	45 1/3	10.5	28
11.5	46	11	28.4
12	46 2/3	11.5	28.8
12.5	47 1/3	12	29.3
13	48	12.5	29.7
13.5	48 2/3	13	30.1
14	49 1/3	13.5	30.5
15	50 2/3	14.5	31.4
US (Womens)	Euro	UK	CM (foot)
5.5	36.5	3.5	22.5
6	37	4	22.9
6.5	37.5	4.5	23.3
7	38	5	23.8
7.5	38.5	5.5	24.2
8	39	6	24.6
8.5	40	6.5	25
9	40.5	7	25.5
9.5	41	7.5	25.9
10	42	8	26.3
10.5	42.5	8.5	26.7
11	43	9	27.1

1. Stand on a level surface with your heels against a straight edge or wall.
2. Place a ruler flat on the floor beside the inside of your foot from heel to toe.
3. Position an object with a flat edge across the tip of your longest toe.
4. Your foot length measurement (in centimetres) is where the flat edge crosses the ruler.