health / Free Online Tool

BMI Calculator.

Calculate Body Mass Index (BMI) and discover your health category based on medical standards.

Input Parameters

What is a healthy BMI range?

A healthy BMI is between 18.5 and 24.9. Below 18.5 is underweight, 25-29.9 is overweight, and 30 or above is classified as obese.

How is BMI calculated?

BMI is calculated by dividing your weight in kilograms by the square of your height in meters: BMI = weight(kg) / height(m)².

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