How to use bmi calculator
Calculate adult body mass index from weight in kilograms and height in centimeters. The result uses weight divided by squared height in meters.
- Enter the numbers, dates or units you want to compare.
- Choose the calculation options and calculate.
- Review the result together with the assumptions shown.
Try this next
Enter 65 kg and 170 cm to get an adult BMI of approximately 22.5.
BMI is a screening calculation, not a diagnosis. It does not account for pregnancy, body composition or individual health.
Questions, answered.
Is bmi calculator free to use?
Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.
What should I check before using the result?
BMI is a screening calculation, not a diagnosis. It does not account for pregnancy, body composition or individual health.
Does this tool upload my files or text?
The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.