Height Calculator is a free browser utility for estimating a child's adult height from two parent heights. It shows the mid-parental formula, an approximate range, optional boy or girl adjustment, unit conversion, and local calculation.
External tool opens in a new tab.
What is this tool?
Estimate adult height from parent measurements, convert centimeters to feet and inches, and read the formula and limits in your browser.
Best for
Parents and families who want a quick, transparent height estimate and unit conversion in the browser.
Pricing note
The calculator is free and processes inputs in the browser. It is an educational estimate, not a diagnosis or a substitute for a pediatrician, growth chart, or professional guidance.
Key features
Use cases
Get a rough family-based estimate of a child's adult height.
Compare the midpoint and adjustment options before discussing growth expectations.
Convert a measured height between centimeters, meters, feet, and inches.
Pros
Cons
How to use
Enter the measured heights of both parents and choose a unit.
Select the optional boy, girl, or no-adjustment setting.
Run the calculation and read the central estimate with its approximate range.
Use the conversion panel for centimeters, meters, feet, or inches.
FAQ
How does the height calculator estimate adult height?
It combines the two parent heights with a mid-parental formula and an optional traditional adjustment, then shows an approximate range.
Is the height result medically accurate?
No. It is a rough educational estimate. Growth, health, nutrition, puberty, and other factors can change the outcome.
Can I convert centimeters to feet and inches?
Yes. Enter a positive measurement in the conversion panel to see the common units.
Does the calculator store my height inputs?
The site describes a local browser calculation without an account or server-side calculation.
