Using the Mirwald (2002) somatic maturity equation — the same method trusted by sports scientists worldwide — this calculator predicts exactly how many years until your Peak Height Velocity.
Sit upright on a flat, firm surface with your back straight against a wall. Feet flat on the floor, thighs horizontal. Measure from the flat surface up to the very top of your head (vertex). Do not slump. This is the most critical measurement — small errors significantly affect the prediction.
