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Predict Future Adult Height Using Mid-Parental & Khamis-Roche Models

Estimate your child’s final adult height based on biological parents’ heights, current age, and growth trajectories using verified pediatric formulas.

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How It Works

What It Does

Applies Tanner mid-parental formulas (target height) and Khamis-Roche regression algorithms (ages 4–17) to estimate future adult stature with realistic confidence intervals.

Common Use Cases

When to Use

Projecting final adult height for boys and girls, monitoring adolescent growth curves, and comparing against WHO and CDC reference percentiles.

Evaluation Checklist

What to Look For

  • Peer-reviewed Khamis-Roche & Tanner algorithms
  • Metric (cm/kg) and Imperial (ft/in/lbs) unit switching
  • CDC adult percentile benchmarks without clinical exaggerations

Best Tools for Expected Child & Adult Height Predictor

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Expected Height Calculator

Predict child and teenager adult height with Mid-Parental (Tanner) and Khamis-Roche methods.

Scientifically validated online height predictor using mid-parental genetic algorithms and Khamis-Roche growth models. Features metric/imperial units and WHO/CDC percentiles.

No Signup
Formats:
METRICIMPERIAL
Help & FAQ

Frequently Asked Questions: Expected Child & Adult Height Predictor

Common questions and practical advice for completing this task.

Tanner mid-parental target height has a statistical margin of error of approximately ±2 inches (±5 cm) for 68% of children, as 60–80% of final height is determined by genetics. The Khamis-Roche method (for children aged 4–17) incorporates the child’s current height and weight, offering tighter statistical error bounds without requiring invasive skeletal bone-age X-rays.

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