Formula and calculation method
BMI equals weight in kilograms divided by height in meters squared: BMI = kg / m².
Worked example and assumptions
At 75 kg and 175 cm, BMI is about 24.5. BMI is an adult screening measure, not a diagnosis, and can misclassify muscular people.
Frequently asked questions
Is the bmi calculator free?
Yes. It is free, requires no account, and runs directly in your browser.
Are the results exact?
The calculation follows the stated formula, but its usefulness depends on accurate inputs and the assumptions described on this page.
Does ClearCalc store my entries?
No. The values are processed in your browser and are not submitted to ClearCalc.