Children's shoe & slippers size chart
| US | UK | EU | Standard foot length |
| 4.5 | 4 | 20.5 | 4.8" 12.3cm |
| 5.5 | 5 | 21.5 | 5" 13cm |
| 6.5 | 6 | 23 | 5.4" 13.8cm |
| 7.5 | 7 | 24 | 5.7" 14.6cm |
| 8.5 | 8 | 25 | 6" 15.3cm |
| 9.5 | 9 | 27 | 6.3" 16.1cm |
| 10.5 | 10 | 28 | 6.6" 16.9cm |
| 11.5 | 11 | 29 | 6.9" 17.6cm |
| 12.5 | 12 | 31 | 7.2" 18.4cm |
| 13.5 | 13 | 32 | 7.5" 19.2cm |
| 1.5 | 1 | 33 | 7.8" 20cm |
| 2.5 | 2 | 35 | 8.2" 20.9cm |
| 3.5 | 3 | 36 | 8.5" 21.5cm |
| 4.5 | 4 | 37 | 8.5" 22.6cm |
Children's dual-sized slippers size chart
| US | UK | EU | Standard foot length |
| 4.5–5.5 | 4–5 | 20.5–21.5 | 4.8"–5" 12.3cm–13cm |
| 6.5–7.5 | 6–7 | 23–24 | 5.4"–5.7" 13.8cm–14.6cm |
| 7.5–8.5 | 7–8 | 24–25.5 | 5.7"–6" 14.6cm–15.3cm |
| 8.5–9.5 | 8–9 | 25.5–26.5 | 6"–6.3" 15.3cm–16.1cm |
| 10.5–11.5 | 10–11 | 28–29 | 6.6"–6.9" 16.9cm–17.6cm |
| 12.5–13.5 | 12–13 | 30.5–32 | 7.2"–7" 18.4cm–19.2cm |
| 1.5–2.5 | 1–2 | 33–34.5 | 7.8"–8.2" 20cm–20.9cm |
| 3.5–4.5 | 3–4 | 33.5–37 | 8.5"–8.8" 21.7cm–22.6cm |
