BMI Calculator
Quickly estimate your Body Mass Index using metric or imperial units. No sign-up. No tracking. Just numbers.
Start calculatingCalculate your BMI
BMI
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Category
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* BMI is a screening measure and doesn’t diagnose health. Consult a professional for a full assessment.
About BMI
Body Mass Index (BMI) is calculated as weight divided by height squared. This tool supports both metric and imperial inputs and gives you an instant estimate with category interpretation.