Diaper Size Chart

Small Space Baby · smallspacebaby.com · reviewed September 13, 2026

Sizes by weight
Preemie	under 6 lbs / 2.7kg
Newborn (N)	up to 10 lbs / 4.5kg
Size 1	8-14 lbs / 3.6-6.4kg
Size 2	12-18 lbs / 5.4-8.2kg
Size 3	16-28 lbs / 7-12.7kg
Size 4	22-37 lbs / 10-16.8kg
Size 5	27 lbs / 12.2kg and up
Size 6	35 lbs / 16kg and up

Typical values for general guidance. Always check the manufacturer's specification for your exact product.

Share or embed this chart

You are welcome to use this chart on your blog, forum or class handout. Please keep the credit link.

Embed code

<a href="https://smallspacebaby.com/blog/diaper-size-chart"><img src="https://smallspacebaby.com/charts/diaper-size-chart/image.png" alt="Diaper Size Chart" width="1200" style="max-width:100%;height:auto"></a>
<p>Source: <a href="https://smallspacebaby.com/blog/diaper-size-chart">Diaper Size Chart</a> by <a href="https://smallspacebaby.com/">Small Space Baby</a></p>

Read the full guide behind this chart →