BMI Calculator

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Calculate your Body Mass Index from height and weight instantly.

A BMI calculator helps you quickly estimate Body Mass Index using your height and weight. BMI is a screening metric used by clinics, trainers, and health apps to place adults into standard weight status ranges.

This tool supports both metric and imperial units. Enter your measurements to instantly see your BMI value and category, including underweight, normal, overweight, or obesity.

Results are calculated instantly in your browser for convenience and privacy.

: For adults, a BMI from 18.5 to 24.9 is generally considered normal. Under 18.5 is underweight, 25 to 29.9 is overweight, and 30 or above is obesity.
: No. BMI is a screening metric, not a diagnosis. Muscle mass, age, and health context matter, so clinical decisions should include additional measurements.
: No. Inputs and results stay in your browser and are not stored on any server.

BMI Calculator

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Enter Weight

Enter Height

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