Calculate body mass index from height and weight in metric or imperial units, with the WHO category and the healthy weight range for your height.
Free, no sign-up
Runs locally in your browser
Loading tool…
Your files are processed on this device and are never uploaded to a server.
How to use the BMI Calculator
1
Choose metric or imperial.
2
Enter height and weight.
3
Read your BMI and category.
Limits of BMI
BMI is a screening measure for adults. It does not distinguish muscle from fat and is not a diagnosis; talk to a healthcare professional about your health.