RM Williams Sizing Guide

 
WOMEN'S
UK Euro US RMW Length mm
3 35 5.5 5.5 225.6
3.5 36 6 6 229.8
4 36.5 6.5 6.5 234
4.5 37 7 7 238.2
5 38 7.5 7.5 242.4
5.5 38.5 8 8 246.6
6 39 8.5 8.5 250.8
6.5 40 9 9 255
7 41 9.5 9.5 259.2
7.5 41.5 10 10 263.4
8 42 10.5 10.5 267.6
MEN'S
UK Euro US RMW Length mm
3 35 4 3 225.6
3.5 36 4.5 3.5 229.8
4 36.5 5 4 234
4.5 37 5.5 4.5 238.2
5 38 6 5 242.4
5.5 38.5 6.5 5.5 246.6
6 39 7 6 250.8
6.5 40 7.5 6.5 255
7 41 8 7 259.2
7.5 41.5 8.5 7.5 263.4
8 42 9 8 267.6
8.5 43 9.5 8.5 271.8
9 43.5 10 9 276
9.5 44 10.5 9.5 280.2
10 45 11 10 284.4
10.5 45.5 11.5 10.5 288.6
11 46 12 11 292.8
11.5 46.5 12.5 11.5 297
12 47 13 12 301.2
12.5 47.5 13.5 12.5 305.4
13 48 14 13 309.6
13.5 14.5 13.5 313.8
14 15 14 318
14.5 15.5 14.5 322.2
15 16 15 326.4