BMI Calculator
Calculate adult BMI using metric or US units, see the standard category, and view a height-based healthy-weight range.
Calculate adult BMI with metric or US units.
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BMI result
- Category
- Healthy weight range
How to use BMI Calculator
Choose units, enter height and weight, then calculate. This tool uses standard adult BMI categories and is a screening estimate, not a diagnosis.
Private, local processing
Your input and results are not uploaded or stored. They remain in this browser tab.
Frequently asked questions
What does BMI Calculator do?
Calculate adult BMI using metric or US units, see the standard category, and view a height-based healthy-weight range.
Is my data uploaded?
Your input and results are not uploaded or stored. They remain in this browser tab.
What should I check when using BMI Calculator?
Choose units, enter height and weight, then calculate. This tool uses standard adult BMI categories and is a screening estimate, not a diagnosis.