See the below image for the Sizing kids diagram. The sizes are typically based on the weight and height of the child but specific measurements for the chest, waist, and hip are also provided. For older kids, the size guide for males is different from the one used for females. Shoe Sizes for Kids can be found here.
Children’s clothes – International size chart The American, British and Australian sizes are based on the age of the child, while in Europe the size is based on the child’s height in centimeters. Some US sizes include a T”, which stands for toddler.
Use this chart to find boys’ US sizes, based on measurements in inches. American 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.