Runs locally
BMI Calculator
Body mass index from weight and height.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
Export and import are available after you sign in. Sign in
BMI = kg / m². It is a screening figure, not a diagnosis.
About this tool
Body mass index is weight in kilograms divided by height in metres squared. Enter your weight and height to see your BMI rounded to one decimal. It is a screening figure, not a diagnosis.
How to use it
- 01
Enter your weight in kilograms.
- 02
Enter your height in centimetres.
- 03
Read your BMI below the fields.
FAQ
Frequently asked questions
What is a normal BMI?
For adults, a BMI from 18.5 to 24.9 is usually considered a healthy range.
Is my data stored?
No. The calculation happens in your browser and nothing is sent or saved.