Newborn

Understanding Newborn Baby Sizes

Not sure what “newborn size” actually means? You’re definitely not alone. Many parents are surprised to learn that newborn clothing sizes can vary quite a bit between brands. Some labels use 0000 (four-zeros) to represent a standard newborn size, while others may describe a similar fit as XXS, with some US/UK brands using NB. 

This can make shopping a little confusing — especially when you’re trying to plan ahead before your baby arrives or buying a thoughtful gift. In some brands, a 0000 is designed for an average full-term newborn, while in others an XS may be cut larger depending on the purpose, style, fabric stretch, or design.

Typically these items are designed for babies between 3kg to 8kg, but remember that babies grow quickly so having a range of sizes on hand is also important, especially if your scans have shown that baby is on the bigger side.

At Kids of Eltham, we help families navigate these differences every day. We focus on comfortable, practical newborn clothing made from soft, breathable fabrics that are easy to put on and gentle on delicate skin. We can also help you think about layering, seasonal needs, and choosing pieces that allow room for growth.

If you’re feeling unsure about what size to buy, we’re here to help. Pop into the store for personalised advice and fitting guidance, or give us a call and chat with our friendly team (03) 9439 5700.

We love helping families feel confident and prepared for those very special first weeks.