This is the simplest path to your BMI: type your weight in kilograms and your height in centimeters, and the result appears instantly. No switching between unit systems, no converting feet to meters in your head. The calculator divides your weight by the square of your height in meters, producing the standard BMI value that doctors and health organizations worldwide use to screen for weight categories. Your result is color-coded for easy interpretation.
Calculator
Calculate your Body Mass Index and see exactly where you land on the healthy-weight scale.
Enter your height and weight
Your BMI and weight category will appear here instantly.
Body Mass Index (BMI) is calculated by dividing your weight in kilograms by the square of your height in meters (kg/m²). It provides a simple numeric measure of a person's thickness or thinness. While widely used by health organizations, BMI does not directly measure body fat percentage.