Child Height Predictor
Predict a child's adult height from parents' heights using the mid-parental height formula. Get a percentile range estimate instantly in your browser.
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What is Child Height Predictor?
The Child Height Predictor uses the mid-parental height formula to estimate a child's adult height from the parents' heights. It provides a predicted value and a ±10 cm percentile range, calculated instantly in your browser.
Key Benefits
- Simple three-input form: sex, father, mother
- Predicted height with a percentile range
- Based on the widely-referenced mid-parental formula
- Instant, private, and completely free
Common Use Cases
- •Parental curiosity about a child's growth potential
- •Pediatric growth discussions with doctors
- •Educational demonstrations of genetic inheritance
- •Family planning and health tracking
- •Quick reference for school or science projects
Predict a Child's Height
- Choose the child's sex: Boys and girls have different growth patterns, so the formula adds or subtracts 13 cm accordingly.
- Enter parents' heights: Type the father's and mother's heights in centimeters. Decimal values are accepted.
- Read the prediction: The mid-parental formula gives the predicted adult height with a ±10 cm percentile range.
- Interpret the range: Most children reach a height within the shown range, though nutrition and health can shift the outcome.
Key Features
- Mid-parental height formula for boys and girls
- Percentile range: ±10 cm around the predicted height
- Supports decimal heights for precise input
- Instant results with no account needed
- Pure math - completely private and offline-capable
- Simple three-input form: sex, father, mother