Nappy Size Chart
We recommend choosing a nappy size based on your little one's weight. Please enter your kid's weight to get the preferred size.
lbs
Size Chart
Not sure what size is best?
Did you know the wrong diaper size can cause leaks and blowouts? Use our size guide to get the perfect fit.
| Size | Weight Range (lbs) |
|---|---|
| Size 1 | 4-11 lbs 2-5 kg |
| Size 2 | 9-18 lbs 4-8 kg |
| Size 3 | 13-22 lbs 6-10 kg |
| Size 4 | 20-31 lbs 9-14 kg |
Tip: If you’re between sizes, try the smaller size first
Try Bumbyy With Confidence
Your first Bumbyy purchase is covered by our 30-Day Bumbyy Promise. If you're not completely satisfied, contact us within 30 days and we'll work with you to make things right.
Pants Size Chart
We recommend choosing a pants size based on your little one's weight. Please enter your kid's weight to get the preferred size.
lbs
| Size | Weight Range (lbs) |
|---|---|
| Size 4 | 20-33 lbs 9-15 kg |
| Size 5 | 26-35 lbs 12-16 kg |
| Size 6 | 29-40 lbs 13-18 kg |
| Size 7 | 33+ lbs 15+ kg |
Tip: If you’re between sizes, try the smaller size first
Frequently Asked Questions
What nappy size is right for my baby?
Babies come in all shapes and sizes, which is why our nappy size range is based on weight. Check out our nappy size guide for a recommendation, and to read our top tips on getting the right fit.
Tip: If you’re between sizes, try the smaller size first!
What size nappy should I use for a newborn?
You may use size 1 nappy for a newborn. Get a free nappy sample for your loved one.
How do I know when to size up?
Babies come in all shapes and sizes, which is why our nappy size range is based on weight. Check out our nappy size guide for a recommendation, and to read our top tips on getting the right fit.
Tip: If you’re between sizes, try the smaller size first!
What nappy pant size is right for my toddler?
Little humans come in all shapes and sizes, which is why our pant size range is based on weight. If you're between sizes, try the smaller size first!
Check out our size guide for a recommendation
Still have sizing questions?
We'd love to help! Contact our friendly team to help you 24x7
