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BMI Calculator
Estimate your body mass index using metric or imperial units. Everything runs locally in your browser and your last result is saved automatically.
About BMI
Body mass index is a simple screening tool that estimates whether a person’s weight is in a healthy range for their height. It is not a diagnostic tool, but it can help you monitor overall wellness.
Frequently asked questions
Is BMI accurate for everyone?
BMI is a useful general guide, but it may not reflect body composition for athletes, older adults, or people with high muscle mass.
Can I use it offline?
Yes. The calculator runs entirely in your browser and stores your last result locally.
What units are supported?
You can enter height in centimeters or feet/inches, and weight in kilograms or pounds.
Privacy notice
All calculations and your last saved result are processed locally in your browser using LocalStorage. No personal health data is uploaded to any server.