Shoe Size Converter
*Disclaimer: The below Size Estimates were compiled at best effort, and should only be used as a guide. Two Little Feet cannot ensure that the size estimated is entirely accurate.
We strongly recommend parents to do all the necessary checks before making the purchase, whether online or at an offline store to avoid getting the wrong sizing.
When in doubt about our sizing, you can always chat with us to clarify! Avoid buying [Final Sale] items if you are unsure.
| Two Little Feet | Adidas | Bobux | Nike |
| NA | < US 4k | < US 3 | < US 4.5C |
| 3 | US 4k | US 3 | US 4.5C |
| US 5C | |||
| 4 | US 5k | US 4 | US 5.5C |
| US 6C | |||
| 5 | US 5.5k | US 4.5 | US 6.5C |
| US 6k | |||
| 6 | US 6.5k | US 5.5 | US 7C |
| US 7k | US 7.5C | ||
| 7 | US 7.5k | US 6 | US 8C |
| 7.5 | US 8k | US 7 | US 8.5C |
| 8 | US 8.5k | US 8 | US 9C |
| US 9k | |||
| 8.5 | US 9.5k | US 8.5 | US 9.5C |
| 9 | US 10k | US 10C | |
| 10 | US 10.5k | US 9.5 | US 10.5C |
| US 11k | US 11C | ||
| 11 | US 11.5k | US 10 | US 11.5C |
| 12 | US 12k | US 10.5 | US 12C |
| US 12.5k | |||
| 12.5 | US 13k | US 11.5 | US 12.5C |
| US 13C | |||
| 13 | US 13.5 | US 12 | US 13.5C |
| US 1 | |||
| 1 | US 1.5 | US 13 | US 1Y |
| US2 | |||
| 2 | US 2.5 | US 13.5 | US 1.5Y |
| US 3 | US 2Y | ||
| 2.5 | US 3.5 | US 1.5 | US 2.5Y |
| NA | > US 3.5 | NA | > US 2.5Y |
| Two Little Feet | New Balance | Onitsuka Tigers | Puma | Tip Toey Joey |
| NA | < US 3 | NA | < UK 2 | <19 |
| 3 | US 3 | UK 2 | 19 | |
| US 3.5 | ||||
| 4 | US 4 | US K4 | UK 3 | 20 |
| US 4.5 | ||||
| 5 | US 5 | US K5 | UK 5 | 21 |
| 6 | US 5.5 | UK 4.5 | 22 | |
| US 6 | ||||
| 7 | US 6.5 | US K6 | UK 5 | 23 |
| 7.5 | US 7 | US K7 | UK 6 | 24 |
| 8 | US 7.5 | US K8 | UK 7 | 25 |
| 8.5 | US 8 | UK 8 | 26 | |
| 9 | US 8.5 | US K9 | UK 8.5 | |
| 10 | US 9 | US K10 | UK 9 | 27 |
| US 9.5 | UK 10 | |||
| 11 | US 10 | US K11 | UK 11 | 28 |
| 12 | Size Estimate is not available. Please measure your child's feet length for suitable size recommendation | US K12 | UK 12 | 29 |
| 12.5 | UK 13 | 30 | ||
| 13 | US K13 | UK 13.5 | 31 | |
| 1 | US 1 | UK 1 | 32 | |
| 2 | US 2 | UK 1.5 | 33 | |
| UK 2 | ||||
| 2.5 | UK 2.5 | 34 | ||
| NA | > US 2 | > UK 2.5 | NA |