Free Online Tool
BMI Calculator
Enter height and weight to calculate body mass index quickly.
The result will appear here.
How to Use
- Enter height in cm.
- Enter weight in kg.
- Review BMI and reference range.
Examples
- BMI for 170cm and 65kg
- Compare weight changes over time
Calculation and Conversion Notes
BMI is calculated as `weight(kg) / height(m)^2`. The result is for reference only and does not replace medical diagnosis or health assessment.
FAQ
Does BMI Calculator save my input?
No. Your input is not stored on a server. Supported actions run in your browser.
Can I use it on mobile?
Yes. The pages are responsive and work on desktop and mobile browsers.
Can I rely on the result?
Use the result as a quick reference. Important work should be checked separately.