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BMI Calculator
Estimate body mass index from weight in kilograms and height in centimeters.
LOCAL CALCULATION
Enter your values
Result
Your result and calculation steps will appear here.
Your calculations are processed locally and are not stored.
How to Calculate
- Enter your weight in kilograms.
- Enter your height in centimeters.
- Calculate to see your BMI value and the standard adult screening range.
Formula
BMI = weight (kg) ÷ height² (m²)Example
70 kg and 175 cm gives 70 ÷ 1.75² = 22.86 BMI.
Frequently Asked Questions
What is BMI?
Body mass index is a screening ratio that compares weight with height. It does not directly measure body fat.
What BMI range is commonly considered healthy for adults?
A BMI from 18.5 to 24.9 is commonly used as a general adult reference range.
Can BMI diagnose a health condition?
No. BMI is only a screening estimate and should not replace advice from a qualified healthcare professional.
Reference sources
Authoritative material used to check the formula, definition, or interpretation shown on this page: