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Calculate your Body Mass Index instantly. Switch between metric and imperial units to find your BMI and see which category you fall into.
Body Mass Index (BMI) is a simple measure of body fat based on your weight and height. It applies to adult men and women. Use this free calculator to quickly find your BMI and see whether you fall into the underweight, normal, overweight, or obese category. Switch between metric (kg/cm) and imperial (lbs/inches) units. No signup required, all calculations happen instantly in your browser.