Free calculators and unit converters for general and everyday use.
Calculators » Health » Body Mass Index
Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate body mass index (BMI) given height and weight values. Alternatively, you can use this calculator to find ideal body weight range for your height with reference to the BMI table shown below.
If you use imperial measurement system, use these unit converters for converting to metric equivalent: weight, height
Download: Use this BMI calculator offline with our all-in-one calculator app for Android and iOS.
BMI is a measure of fitness and indicates if you are under-weight, over-weight or of normal weight. The formula for BMI is:
BMI = Weight (in kg) / [Height (in m) * Height (in m)]
The body mass index is simply your body weight (in kilograms) divided by your height (in meters) squared.
|Classification||Cut-off points BMI(kg/m2)|
|Normal range||18.50 - 24.99|