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Size 1 'Newborn'
Nappy Size Guide

Congrats - you've either just welcomed your sweet bundle into the world or you're busy prepping ahead of the big day. Either way, go you!

If this is your first little koala, your head is likely full of questions and you're not alone. In the biz of baby bums, we're asked A LOT of questions like, 'how long will my baby wear Size 1 newborn nappies' and 'how many Size 1 newborn nappies will I need?'

Nappy Size Guide

Size Baby's weight age (based on 15-85%) avg nappies p/day nappies p/box
1 - newborn 2 - 4kgs 0 - 6wks 8 - 9 216
2 - infant 3 - 8kgs 1 - 4mths 6 - 7 192
3 - Crawler 6 - 11kgs 4 - 12 mths 6 - 8 176
4 - toddler 9 - 14 kgs 6 - 24 mths 5 - 7 144
5 - Walker 12 - 18kgs 1 - 3yrs 4 - 5 128
5 - walker nappy pants 13 - 17kgs 1 - 3yrs 4 - 5 120
6 - runner nappy pants 17kg+ 2yrs+ 4 120

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Comfy Koalas Size 1 Newborn Nappies are designed to fit most babies for the first few weeks of their lives, up to around 4-8 weeks, depending on their overall body weight and thigh circumference.

If you are wondering how many size 1 nappies you need, we recommend you plan for around 8-10 per day. If you are in the stages of getting ready for the big day, have a look at our blog for a free printable checklist on what else to pack into your hospital bag and plenty more advice.


Our nappies are made from highly breathable Premium Bamboo making them ideal for delicate newborn skin and umbilical cords.

They're also been dermatologically tested for the most sensitive skin and proven to be Eczema Safe, so you can trust that they'll be as gentle on your baby’s buns as they are on the planet.

We're proud to be Independently Certified Vegan Friendly, Cruelty Free, Made Safe, Toxic Free & Allergy Certified.



No Overnight

Premium Natural

Super soft,

comfy design

Perfect fit


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We adore seeing your little koalas in the wild. Don't forget to tag us & #everypoopcounts