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Height Calculator
Predict your child's adult height based on parents' heights using the mid-parental height method. Convert height between feet/inches and cm.
ft
in
Your BMI
25.1
OverweightUnderweight
<18.5
Healthy
18.5–24.9
Overweight
25–29.9
Obese
≥30
How to Use the Height Calculator
Enter your values above for an instant result. This tool uses verified formulas and is optimised for users in USA, Canada, UK, Australia. All calculations happen in your browser — your data is never sent to our servers.
Frequently Asked Questions
How do I predict my child's adult height?
Add parents' heights, add 5 inches for boys (subtract for girls), divide by 2. Result ±4 inches is typical adult height range.