BMI Calculator
BMI Calculator works out your Body Mass Index from your height and weight, in metric or imperial units, and tells you which standard weight category you fall into.
Última atualização: July 2026
Calculate your Body Mass Index (BMI) in metric or imperial units and see your weight category instantly. Free and private.
Como usar BMI Calculator
- Choose metric or imperial units.
- Enter your height and weight.
- Read your BMI and category instantly.
Perguntas frequentes
How is BMI calculated?
BMI = weight (kg) ÷ height (m)². For imperial, it uses 703 × lb ÷ in².
What do the categories mean?
Under 18.5 is underweight, 18.5–24.9 is normal, 25–29.9 is overweight, and 30+ is obese.
Is BMI accurate for everyone?
BMI is a general guide and doesn't account for muscle mass or body composition, so treat it as a rough indicator.
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