BMI Calculator — Calculate Your Body Mass Index
cm
kg
Your BMI
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Underweight <18.5Normal 18.5-25Overweight 25-30Obese >30
Formula
BMI is calculated using the formula:
Metric: BMI = Weight(kg) ÷ Height²(m²)
Imperial: BMI = 703 × Weight(lb) ÷ Height²(in²)
How It Works
Enter your height and weight. Select metric or imperial units. Click Calculate BMI to see your result and weight category instantly.
How to Use
- Select Metric or Imperial units
- Enter your height
- Enter your weight
- Click Calculate BMI