Height Calculator
Estimate adult height, compare parent-based predictions, and convert height units quickly with this simple and practical calculator.
Main Height Prediction Calculator
Uses a blended estimate based on child measurements, parent height, age, and gender.
Parents-Only Height Predictor
Uses a practical mid-parental style formula with a gender adjustment.
Height Unit Converter
Convert between feet and inches, centimeters, and meters with accurate formulas.
US to Metric
Metric to US
Meters to US
How Height Prediction Works
Height prediction tools use simplified patterns to estimate future adult height. Practical tools often combine family height, the child’s present height, and age-related growth expectations. These methods can be useful for general planning, but they do not replace professional medical assessment.
Factors That Affect Adult Height
Genetics has a strong influence on height, but it is not the only factor. Nutrition, sleep quality, physical health, long-term illness, hormone balance, and childhood development all play a role. Two children with similar parents may still grow differently over time.
Parent Height Formula Explained
A common parent-based approach starts with the average height of the mother and father, then adds or subtracts a gender-related adjustment. This creates a practical estimate rather than a guaranteed result. It is widely used as a quick reference because it is simple and easy to understand.
Height Conversion Guide
Height is commonly shown in feet and inches in the United States, while centimeters and meters are often used in many other countries. Accurate conversion is helpful when reading health records, sports profiles, school forms, or growth charts.
Important Disclaimer
Height prediction is only an estimate and actual adult height can vary due to genetics, nutrition, health, sleep, and other factors. This calculator is designed for informational use only and should not be treated as a medical diagnosis or a substitute for professional advice.