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Adult BMI Calculator.
Calculate adult BMI with metric or imperial measurements and CDC screening categories.
How to use Adult BMI Calculator
Enter the relevant measurements or dates, select units and generate. Read the calculation method and limitations with the result.
How it works
Calculate adult BMI with metric or imperial measurements and CDC screening categories. Adults 20+. BMI is a screening measure, not a diagnosis or a direct body-fat measurement. This calculator provides arithmetic or an educational estimate; it does not replace professional assessment.
Example
Generate the supplied illustrative inputs and review the assumptions.
Questions about Adult BMI Calculator
Is Adult BMI Calculator free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
Adults 20+. BMI is a screening measure, not a diagnosis or a direct body-fat measurement. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.