With the charts below, you'll find out your child's clothing size, in US sizes. The size is based on either the child's weight and length in pounds and inches, or on specific measurements (chest, waist and hip).
US baby sizes are based on the age, but since babies may vary a lot in size, it's better to base the size on the baby's weight and height. Use the chart below to find the correct size for your baby.
For toddlers and small kids, use the first size chart which is for both girls and boys. For older children, use the respective chart for girls and boys.
Please note that these charts only is a guide to your child's clothing size, and that the sizes may vary between different brands.
Size guide, baby clothes
Use this chart to find US sizes for babies, based on measurements in inches and weight in pounds.
| US Size | Weight, pounds | Height, inches |
|---|---|---|
| Newborn | 4-8 | 17-19" |
| 3 months | 9-11 | 19-23" |
| 6 months | 12-15 | 24-26" |
| 9 months | 16-18 | 27-28" |
| 12 months | 19-20 | 29-30" |
| 18 months | 21-23 | 31-32" |
| 24 months | 24-28 | 33-35" |
Size guide, toddlers and kids (girls and boys)
Use this chart to find US sizes for younger children, both boys and girls, based on measurements in inches and weight in pounds. The T stands for Toddler.
| US Size | Height, inches | Weight, lbs |
|---|---|---|
| 2t | 33-35 | 24-28 |
| 3t | 36-38.5 | 28.5-32 |
| 4t | 39-41 | 33-36 |
| 4 | 42-44 | 37-41 |
| 5 | 45-47 | 42-46 |
| 6 | 48-49 | 47-53 |
| 6x (girls) / 7 (boys) | 50-51 | 54-58 |