Use our free height calculator to predict your child's adult height in about 30 seconds. Enter age, sex, and current height, and the predictor estimates adult height from national growth-standard data. For a precise assessment, a bone-age X-ray and blood test at the clinic are needed.
It gives a statistical estimate from population growth data. A precise prediction requires a bone-age X-ray and a doctor's review, which we do at the clinic.
Yes — the calculator is completely free and requires no sign-up.
It uses national growth-standard data (Korea, US/CDC, China, Thailand, Indonesia), selectable by nationality.