Understanding the correct sizing for babies is essential for ensuring comfort and proper fit. This sizing chart is designed to provide accurate measurements that correspond to various age ranges and body dimensions. It is important to note that babies grow at different rates, so it is advisable to consider both age and measurements when selecting clothing.

Age Range Weight (lbs) Height (inches) Size
Newborn 5 - 8 17 - 21 NB
0 - 3 Months 8 - 12 21 - 24 0-3M
3 - 6 Months 12 - 16 24 - 27 3-6M
6 - 9 Months 16 - 20 27 - 30 6-9M
9 - 12 Months 20 - 24 30 - 32 9-12M
12 - 18 Months 24 - 28 32 - 34 12-18M
18 - 24 Months 28 - 30 34 - 36 18-24M

To ensure the best fit, it is recommended to measure the baby's weight and height accurately. The weight should be taken using a reliable scale, while height can be measured by placing the baby against a flat surface and marking the top of their head. This chart serves as a guideline, and variations may occur based on individual brand sizing standards.