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Child Height Prediction Estimate — result sheet
Estimate mid-parental height and an illustrative range from the parents' heights.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Mid-parental estimate = (mother height + father height +/- 13 cm) / 2; show an illustrative +/- 8.5 cm range.
This is a simple parental-height estimate, not a growth-chart or bone-age assessment.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Mother height — cm; minimum 100; maximum 220
- Father height — cm; minimum 100; maximum 220
- Child sex used by equation — 2 choices
Worked example
| Input | Value |
|---|---|
| Mother height | 165 |
| Father height | 178 |
| Child sex used by equation | female |
The female equation subtracts 13 cm before dividing the parental sum by 2.
Assumptions and limits
- The entered heights use centimeters.
- The illustrative range is not a prediction interval for a specific child.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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