How to use the BMI Calculator

Choose metric or imperial units.
Enter your weight and height – BMI calculates automatically.

BMI categories (WHO standard)

Under 18.5 – Underweight
18.5 – 24.9 – Normal weight
25.0 – 29.9 – Overweight
30.0 and above – Obese

BMI is a screening tool, not a diagnostic measure. It does not account for muscle mass, bone density, age, or sex. Consult a healthcare professional for a full assessment.