Size Guide
Crocs Footwear & Socks Size Guide
Please refer to the measurements below before choosing your size.
Crocs shoes come in whole sizes only. If you typically wear a half size, we recommend ordering a size up or down depending on your preferred fit.
Adult Footwear
| Heel to Toe Length (cm) | 19.4 | 20.3 | 21.3 | 21.9 | 22.9 | 23.8 | 24.4 | 25.4 | 26.4 | 27 | 27.9 | 28.9 | 29.5 | 30.5 | 31.4 | 32.1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US - Women | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| US - Men | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| UK - Women | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| UK - Men | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| EU | 33-34 | 34-35 | 36-37 | 37-38 | 38-39 | 39-40 | 41-42 | 42-43 | 43-44 | 45-46 | 46-47 | 48-49 | 49-50 | 50-51 | 51-52 | 52-53 |
| Japan | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 |
| Korea (mm) | 210 | 220 | 230 | 240 | 250 | 260 | 270 | 280 | 290 | 300 | 310 | 320 | 330 | 340 | 350 | 360 |
Adult Footwear
| Heel to Toe Length (in) | 7.625 | 8 | 8.375 | 8.625 | 9 | 9.375 | 9.625 | 10 | 10.375 | 10.625 | 11 | 11.375 | 11.625 | 12 | 12.375 | 12.625 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US - Women | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| US - Men | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| UK - Women | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| UK - Men | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| EU | 33-34 | 34-35 | 36-37 | 37-38 | 38-39 | 39-40 | 41-42 | 42-43 | 43-44 | 45-46 | 46-47 | 48-49 | 49-50 | 50-51 | 51-52 | 52-53 |
| Japan | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 |
| Korea (mm) | 210 | 220 | 230 | 240 | 250 | 260 | 270 | 280 | 290 | 300 | 310 | 320 | 330 | 340 | 350 | 360 |
Kids Footwear
Little Kids: under 5 years old. Big Kids: 5 years old and above.
| Heel to Toe Length (cm) | 8.3 | 9.8 | 10.5 | 11.4 | 12.4 | 13 | 14 | 14.9 | 15.6 | 16.5 | 17.5 | 18.1 | 19.1 | 20 | 20.6 | 21.6 | 22.5 | 23.2 | 24.1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US | C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 | C10 | C11 | C12 | C13 | J1 | J2 | J3 | J4 | J5 | J6 |
| UK | - | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 1 | 2 | 3 | 4 | 5 | 6 |
| EU | - | 17-18 | 18-19 | 19-20 | 20-21 | 21-22 | 22-23 | 23-24 | 24-25 | 25-26 | 26-27 | 27-28 | 28-29 | 29-30 | 30-31 | 31-32 | 32-33 | 33-34 | 35-36 |
| Japan | - | - | - | 12 | 13 | 14 | 15 | 15.5 | 16.5 | 17.5 | 18 | 18.5 | 19 | 19.5 | 20 | 21 | 22 | 23 | 24 |
| Korea (mm) | - | - | - | 115 | 120 | 130 | 140 | 150 | 155 | 165 | 175 | 180 | 190 | 200 | 210 | 220 | 230 | 240 | 250 |
Kids Footwear
Little Kids: under 5 years old. Big Kids: 5 years old and above.
| Heel to Toe Length (in) | 3.25 | 3.875 | 4.125 | 4.5 | 4.875 | 5.125 | 5.5 | 5.875 | 6.125 | 6.5 | 6.875 | 7.125 | 7.5 | 7.875 | 8.125 | 8.5 | 8.875 | 9.125 | 9.5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US | C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 | C10 | C11 | C12 | C13 | J1 | J2 | J3 | J4 | J5 | J6 |
| UK | - | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 1 | 2 | 3 | 4 | 5 | 6 |
| EU | - | 17-18 | 18-19 | 19-20 | 20-21 | 21-22 | 22-23 | 23-24 | 24-25 | 25-26 | 26-27 | 27-28 | 28-29 | 29-30 | 30-31 | 31-32 | 32-33 | 33-34 | 35-36 |
| Japan | - | - | - | 12 | 13 | 14 | 15 | 15.5 | 16.5 | 17.5 | 18 | 18.5 | 19 | 19.5 | 20 | 21 | 22 | 23 | 24 |
| Korea (mm) | - | - | - | 115 | 120 | 130 | 140 | 150 | 155 | 165 | 175 | 180 | 190 | 200 | 210 | 220 | 230 | 240 | 250 |
Adult Socks
| Sock Size | US Women Shoe Size | US Men Shoe Size |
|---|---|---|
| Small | 5-7.5 | 3-5.5 |
| Medium | 8-10.5 | 6-8.5 |
| Large | 11-13 | 9-13 |
| X-Large | - | 13.5-16 |
Kids Socks
| Sock Size | Shoe Size |
|---|---|
| S-Small | C6-C10.5 |
| M-Medium | C11-J2.5 |
| L-Large | J3-J6 |
Adult Socks
| Sock Size | US Women Shoe Size | US Men Shoe Size |
|---|---|---|
| Small | 5-7.5 | 3-5.5 |
| Medium | 8-10.5 | 6-8.5 |
| Large | 11-13 | 9-13 |
| X-Large | - | 13.5-16 |
Kids Socks
| Sock Size | Shoe Size |
|---|---|
| S-Small | C6-C10.5 |
| M-Medium | C11-J2.5 |
| L-Large | J3-J6 |
Measurements may vary slightly by style and manufacturing tolerance.