With child's arms down, slip tape under arms and across chest and shoulder blades, holding tape firm and level.

Measure around the natural waistline.

With child standing, measure around fullest point of the hips.

Measure similar pants that fit the child well. Lay them flat, with the front and back creased smooth. Measure along the inseam from crotch to bottom of leg hem.

Start by the neck at the highest point of the shoulder, then measure down over the chest through the crotch and continue up the back to the starting point.