Baby Size Guide
How to choose the right size for your baby?
Babies grow very fast! To help you choose the right size, here is our complete guide based on the international standards of the World Health Organization (WHO). If in doubt between two sizes, we always recommend taking the larger size. Find our entire Baby Clothes & Robes collection for all seasons.
📊 Baby Clothes Size Chart
| Age | Size | Weight (kg) | Height (cm) |
|---|---|---|---|
| Newborn | 50 | 2.5 - 4 kg | 44 - 52 cm |
| 1 - 3 months | 56 / 62 | 4 - 6 kg | 52 - 62 cm |
| 3 - 6 months | 68 | 6 - 8 kg | 62 - 68 cm |
| 6 - 9 months | 74 | 8 - 10 kg | 68 - 74 cm |
| 9 - 12 months | 80 | 9 - 11 kg | 74 - 80 cm |
| 12 - 18 months | 86 | 10 - 13 kg | 80 - 86 cm |
| 18 - 24 months | 92 | 12 - 15 kg | 86 - 92 cm |
| 2 - 3 years | 98 | 14 - 17 kg | 92 - 98 cm |
📌 Tips for accurately measuring your baby
These measurements are based on the official growth charts of the WHO, used by pediatricians worldwide:
- Height: Measure baby lying on their back, from head to heels
- Weight: Weigh baby without clothes for greater accuracy
- Head circumference: Useful for bonnets and hats — see our Baby Hats & Bonnets
🏥 Official resources by country
To monitor your baby's growth and ensure they are developing well, consult your pediatrician and the official resources in your country:
- 🇨🇦 Canada: Canadian Paediatric Society (CPS) | Naître et grandir
- 🇫🇷 France: Mpedia.fr — Pédiatres de France | Ameli.fr
- 🇧🇪 Belgium: ONE — Office de la Naissance et de l'Enfance
- 🇨🇭 Switzerland: ch.ch — Family and children
- 🇱🇺 Luxembourg: Guichet.lu — Birth
- 🌍 International: WHO — Child growth standards
Our collections by category
Once you've found the right size, explore our collections:
- 👗 Baby Clothes & Robes — soft outfits for all seasons
- 🏹 Baby Hats & Bonnets — protection and style
- Choosing a selection results in a full page refresh.
- Opens in a new window.
