Child Height Predictor — Mid-Parental Height (Tanner Method)

Predict a child's adult height using the Mid-Parental Height (Tanner) method with gender-specific adjustments. Includes expected range (±2 in), worked examples for pediatricians and parents, and guidance on when height predictions warrant medical follow-up.

✓ Formula verified: May 2026

Height Predictor

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Predicted Height

6'1.5" (186.69 cm)

Expected Range

5'11.5" to 6'3.5"

Predicted Height (cm)

186.69

Mid-Parental Height

73.5

Gender

Male

Mother's Height

5'4"

Father's Height

5'10"

What if your mother's height (feet) changes? 4 → 5'7.5" (171.45 cm) · 5 → 6'1.5" (186.69 cm) · 6 → 6'7.5" (201.93 cm)

Scenario Comparison

Conservative (5%)

$16,470.09

$6,470.09 interest

Your scenario (7%)

$20,096.61

$10,096.61 interest

Aggressive (10%)

$27,070.41

$17,070.41 interest

High-risk (14%)

$40,224.71

$30,224.71 interest

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Height Comparison

Mother

5'4"

Father

5'10"

Child (Male)

±2"

6'1.5"

Bars are scaled proportionally to actual height

Expected Range

5'11.5"Predicted6'3.5"

Medical Disclaimer

Important: This calculator uses the Mid-Parental Height method (also known as the Tanner method). It provides only a rough estimate — actual adult height is influenced by nutrition, genetics, sleep, and environmental factors.

This tool is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a pediatrician or healthcare provider for medical concerns about your child's growth and development.

Measurement Summary

5'4"

Mother

5'10"

Father

6'1.5"

Predicted

186.69 cm

In CM

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