Mid-parental height (Tanner)

Boys: ((mother + father) / 2) + 6.5 cm. Girls: ((mother + father) / 2) − 6.5 cm. Most children fall within ±8.5 cm of this estimate.

Frequently Asked Questions

Is the Child Adult Height Predictor free to use?

Yes, the Child Adult Height Predictor is 100% free to use. There are no subscriptions, no sign-ups, and no hidden fees.

Is my data safe when using the Child Adult Height Predictor?

Absolutely. All calculations performed by the Child Adult Height Predictor happen locally in your web browser. We do not store, track, or transmit your inputs or results to any server.

How accurate is the Child Adult Height Predictor?

Our Child Adult Height Predictor uses industry-standard formulas and methodology. You can view the exact formula and calculation logic used in the methodology section above to verify the math yourself.

Can I use the Child Adult Height Predictor on my mobile phone?

Yes! The Child Adult Height Predictor is fully responsive and works seamlessly on all devices including smartphones, tablets, and desktop computers.