BMI Calculator
Calculate your Body Mass Index from height and weight.
22.5BMI
Normal weightCategory
BMI is a general screening measure and doesn't account for muscle mass or body composition. Talk to a healthcare provider for a full assessment.
How to use BMI Calculator
- 1Enter your height and weight.
- 2Choose metric or imperial units.
- 3Your BMI and category update live.
Why use this tool
- Supports both metric (cm/kg) and imperial (ft-in/lb) units.
- Shows the standard WHO BMI category alongside the number.
Frequently asked questions
Is BMI a perfect measure of health?
No — BMI doesn't account for muscle mass, bone density, or body composition, so it's a general screening indicator, not a diagnosis. Consult a healthcare provider for a full assessment.