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Calcimator

Child Height Predictor

Predict your child's adult height using the mid-parent method or current height projection. Based on established pediatric growth formulas.

Inputs

ft
in
ft
in

Results

Predicted Adult Height

5'10"

Height (cm)178 cm
Expected Range5'8" — 6'0"
Range (cm)173 — 183 cm

Predicted Adult Height

5'10"

How to Use This Calculator
  1. Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
  2. Prediction Method — Calculation method to use. Choose from: Mid-Parent Height, Current Height Projection. default: 0.
  3. Child's Sex — enter your preferred option from the dropdown. Choose from: Male, Female. default: 0.
  4. Father's Height (ft) — enter a number in ft. Accepts values from 4 ft to 7 ft (default: 5 ft).
  5. Father's Height (in) — enter a number in in. Accepts values from 0 in to 11 in (default: 10 in).
  6. Mother's Height (ft) — enter a number in ft. Accepts values from 4 ft to 7 ft (default: 5 ft).
  7. Mother's Height (in) — enter a number in in. Accepts values from 0 in to 11 in (default: 5 in).
  8. Expand "Advanced Options" for additional fine-tuning. These optional inputs let you model more specific scenarios:
  9. Child's Current Age — Used for the current height projection method. Accepts values from 1 years to 18 years (default: 8 years).
  10. Child's Current Height (ft) — enter a number in ft. Accepts values from 1 ft to 7 ft (default: 4 ft).
  11. Child's Current Height (in) — enter a number in in. Accepts values from 0 in to 11 in (default: 2 in).
  12. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  13. Predicted Adult Height — your calculated result. This is the primary result of this calculator.
  14. Height (cm) — shown as a numeric value.
  15. Expected Range — your calculated result.
  16. Range (cm) — your calculated result.
  17. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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Formula

Mid-Parent Method: Boys = (Father + Mother + 5") ÷ 2. Girls = (Father + Mother - 5") ÷ 2. Accuracy ±2 inches.

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