How to Measure

Measurement Tip
Always read and record linear measurements (length, height and head circumference) to the nearest 0.1 centimeters.

  1. The other person should extend the child’s legs, holding the child’s knees straight
  2. Slide the moveable foot piece so the soles of the feet are flat against it
  3. Read the measurement from a line of sight perpendicular to the length board or mat
  4. Record the measurement to the nearest 0.1 centimeter