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BMI Calculator
Calculate your Body Mass Index and find your healthy weight range.
22.9
Normal weight
Underweight
< 18.5Normal weight
18.5 – 24.9Overweight
25 – 29.9Obese
≥ 30How the BMI Calculator Works
Body Mass Index estimates whether your weight is healthy relative to your height. It's a quick screening tool used by doctors worldwide, though it doesn't account for muscle mass or body composition directly.
The metric formula is weight (kg) divided by height (m) squared. The imperial formula is weight (lbs) divided by height (in) squared, multiplied by 703.
Example: A person weighing 70 kg at 1.75 m tall has a BMI of 70 ÷ (1.75 × 1.75) = 22.9, which falls in the normal weight range.
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