BMI Calculator
Calculate your Body Mass Index (BMI) and discover your healthy weight range.
kg
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Body Mass Index
Healthy weight for your height: —
No data is sent anywhere. All calculations happen locally in your browser.
How it works
1
Choose your unit system
Select Metric (cm, kg) or Imperial (ft + in, lbs).
Select Metric (cm, kg) or Imperial (ft + in, lbs).
2
Enter height and weight
Your BMI is computed instantly: BMI = kg / m² (metric) or BMI = (lbs / in²) × 703 (imperial).
Your BMI is computed instantly: BMI = kg / m² (metric) or BMI = (lbs / in²) × 703 (imperial).
3
Read your result
The bar shows where you fall. Underweight < 18.5, Normal 18.5–24.9, Overweight 25–29.9, Obese ≥ 30.
The bar shows where you fall. Underweight < 18.5, Normal 18.5–24.9, Overweight 25–29.9, Obese ≥ 30.