Crocs Size Chart

Women's Sizes

US UK EU Japan Korea Inches
W3 1 32.5 19 200 8
W4 2 33.5 20 210 8 3/8
W5 3 34.5 21 220 8 5/8
W6 4 36.5 22 230 9
W7 5 37.5 23 240 9 3/8
W8 6 38.5 24 250 9 5/8
W9 7 40 25 260 10
W10 8 41 26 265 10 3/8
W11 9 42.5 27 270 10 5/8
W12 10 43.5 28 275 11

Men's Sizes

US UK EU Japan Korea Inches
M4 3 36.5 22 230 8 5/8
M5 4 37.5 23 240 9
M6 5 38.5 24 250 9 3/8
M7 6 40 25 260 9 5/8
M8 7 41 26 270 10
M9 8 42.5 27 275 10 3/8
M10 9 43.5 28 285 10 5/8
M11 10 44.5 29 290 11
M12 11 45.5 30 300 11 3/8
M13 12 47.5 31 11 5/8
M14 13 48.5 32 12
M15 14 49.5 33 12 3/8

Kids's Sizes (1-7 years)

US UK EU Japan Korea Inches
C1 1 16.5 8 3 1/2
C2 2 17.5 9 3 7/8
C3 3 18.5 10 4 1/8
C4 4 19.5 12 130 4 1/2
C5 5 20.5 13 140 4 7/8
C6 6 22.5 14 145 5 1/8
C7 7 23.5 15 155 5 1/2
C8 8 24.5 15.5 160 5 7/8
C9 9 25.5 16.5 165 6 1/8
C10 10 27.5 17.5 175 6 1/2
C11 11 28.5 18 185 6 7/8
C12 12 29.5 18.5 190 7 1/8
C13 13 30.5 19 200 7 1/2

Juniors's Sizes (8+ years)

US UK EU Japan Korea Inches
J1 M0-W1 32.5 19.5 205 7 7/8
J2 M1-W2 33.5 20 215 8 1/8
J3 M2-W3 34.5 21 225 8 1/2
J4 M3-W4 36.5 22 230 8 5/8
J5 M4-W5 37.5 23 240 9
J6 M5-W6 38.5 24 245 9 3/8

Havaianas Size Chart