BMI calculator

Free online BMI calculator. Calculate your body mass index, BMI calculator online with WHO reference table and visual indicator.

WHO Reference Table

CategoryBMI
Underweight< 18.5
Normal weight18.5 – 24.9
Overweight25 – 29.9
Obese class I30 – 34.9
Obese class II35 – 39.9
Obese class III≥ 40
This calculator provides a general indication only. BMI does not account for muscle mass, bone structure, or fat distribution. Consult a doctor for a complete assessment.