BMI Calculator

Check your Body Mass Index instantly using your height and weight.

Your Result

Enter your height and weight to see your BMI.

How BMI is calculated

Body Mass Index (BMI) is calculated by dividing weight in kilograms by height in metres squared: BMI = weight (kg) / height (m)². It's a quick screening tool, not a diagnosis — muscle mass, age and body composition all affect what a "healthy" number looks like for you.

BMI categories (WHO standard)