Havaianas Size Charts
Women's Footwear
| Size (Brazil) | 35/36 | 37/38 | 39/40 | 41/42 |
| Size (USA) | 5/6 | 7/8 | 9/10 | 11/12 |
| Foot | 9.5 | 10 | 10.5 | 11 |
Men's Footwear
| Size (Brazil) | 39/40 | 41/42 | 43/44 | 45/46 |
| Size (USA) | 7/8 | 9 | 10/11 | 12/13 |
| Foot | 10.5 | 11 | 11.5 | 12 |
| Size (Brazil) | 35/36 | 37/38 | 39/40 | 41/42 |
| Size (USA) | 5/6 | 7/8 | 9/10 | 11/12 |
| Foot | 9.5 | 10 | 10.5 | 11 |
| Size (Brazil) | 39/40 | 41/42 | 43/44 | 45/46 |
| Size (USA) | 7/8 | 9 | 10/11 | 12/13 |
| Foot | 10.5 | 11 | 11.5 | 12 |