BMI Calculator
Body Mass Index and weight category from height and weight.
Enter values
kg
cm
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The formula
BMI = weight(kg) / height(m)²
All calculations run locally in your browser and update instantly as you type.
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Frequently asked questions
Is BMI accurate for athletes?+
BMI does not distinguish muscle from fat, so very muscular people may read as overweight. Use it as a general guide, not a diagnosis.
All calculations run locally in your browser. Nothing you type is sent to a server.