Child Height Predictor

• A free online child height predictor. Based on the child's gender, age and current height plus the parents' heights (with optional lifestyle factors), it uses four scientific methods — Tanner, Gray, Bayley-Pinneau and a weighted parental-height method — to estimate adult height, and provides growth advice and a percentile reference against Chinese peers.

1. Open the tool page — no download or installation needed
2. Enter the child's gender, age and current height, and the father's and mother's heights (nutrition, exercise and family history are optional)
3. Click 'Calculate Predicted Height' to see the average estimate, normal range, per-method details and percentile, then copy the result with one click

• This tool is completely free and requires no sign-up
• Everything runs locally in your browser — your data never leaves your device

Free online child height prediction tool, based on parental height, child's current height and age, uses multiple scientific algorithms such as Tanner method, Gray method, Bayley-Pinneau method to predict adult height, provides personalized growth and development recommendations.

Open the tool page — no download or installation needed Enter the child's gender, age and current height, and the father's and mother's heights (nutrition, exercise and family history are optional) Click 'Calculate Predicted Height' to see the average estimate, normal range, per-method details and percentile, then copy the result with one click

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data never leaves your device

Yes, Child Height Predictor is completely free. No download or installation required — it runs right in your browser.