Nappy size guide 🇬🇧 United Kingdom
Find the right size by your baby's weight
| Size | Weight | |
|---|---|---|
| Size 1 | 2–5 kg (4–11 lbs) | Compare prices → |
| Size 2 | 3–6 kg (6.6–13 lbs) | Compare prices → |
| Size 3 | 4–9 kg (8.8–20 lbs) | Compare prices → |
| Size 4 | 7–18 kg (15–40 lbs) | Compare prices → |
| Size 5 | 11–25 kg (24–55 lbs) | Compare prices → |
| Size 6 | 13–30 kg (29–66 lbs) | Compare prices → |
How to choose the right size
- • Always go by weight, not age — babies grow at different rates
- • If your baby is between sizes, go up — too tight causes leaks
- • Red marks on the thighs or waist mean the nappy is too small
- • Frequent blowouts usually mean it's time for the next size up