Calculators

BMI Calculator

Calculate adult BMI from height and weight with WHO classification.

BMI Calculator
UnderweightNormalOverweightObesity IObesity IIObesity III
WHO categoryNormal weight

Adult BMI categories follow WHO cutoffs. BMI is a screening measure, not medical advice.

Body mass index23.671

Normal weight

General adult category: Normal weight.

What is bmi calculator?

Calculate body mass index from height and weight using WHO adult BMI classification. BMI is a screening measure and does not replace medical advice.

Common use cases

  • Calculate adult BMI
  • Compare metric height and weight
  • Check WHO BMI classification
  • Track simple fitness notes

FAQ

Is BMI a medical diagnosis?
No. BMI is a general screening measure for adults and does not diagnose health, body fat or fitness.
Which BMI categories are used?
The calculator uses WHO adult categories: underweight, normal weight, overweight and obesity classes I, II and III.