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.