BMI Calculator

Calculate your Body Mass Index — metric or imperial, with WHO classification.

WHO BMI Classification

Underweight
0 – 18.5
Normal weight
18.5 – 25
Overweight
25 – 30
Obesity Class I
30 – 35
Obesity Class II
35 – 40
Obesity Class III
40+

This is for informational purposes only and is not medical advice. Consult a healthcare professional for personalized guidance.