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BMI Calculator

Calculate Body Mass Index from your height and weight. Supports both metric (cm/kg) and imperial (ft/in/lb) units.

Calculate Body Mass Index from height and weight. Supports metric (cm/kg) and imperial (ft/in/lb) units.

BMI categories

Underweight is below 18.5, normal weight is 18.5 to 24.9, overweight is 25.0 to 29.9, and obese is 30.0 and above. BMI is a screening tool – it does not account for muscle mass, bone density, or body composition.