Size Guide

Find the right fit with our diaper calculator and size guide.

Diaper Calculator

Choose to view as kilograms or pounds then slide across to select your baby’s weight. Find the right size and an estimate of how many diapers they’ll use per day.

  • Kg
  • Lbs

Recommended diaper size*

1
SIZE 1
3 - 5kg
6 - 11lbs
2
SIZE 2
4 - 6kg
9 - 18lbs
3
SIZE 3
6 - 11kg
13 - 25lbs
4
2T-3T
SIZE 4
SIZE 2T-3T
9 - 15kg
20 - 34lbs
5
3T-4T
SIZE 5
SIZE 3T-4T
12 - 18kg
28 - 40lbs
6
4T-5T
SIZE 6
SIZE 4T-5T
16+ kg
35+ lbs

Average number of diapers per day*

Diapers

Size Range

  • Diapers

  • Training Pants

1 6-11 lbs
2 9-18 lbs
3 13-24 lbs
4
2T-3T
20-34 lbs
5
3T-4T
28-40 lbs
6
4T-5T
35+ lbs

Not sure what size to choose?

We recommend choosing a diaper size based on your baby’s weight. If you’re between sizes, try the smaller size first. If you still have questions, our Customer Love team are always here to help. Send us a message with your details, and we’ll help you find the right fit.

*The recommended diaper size and quantity is a guide only.

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