Calculator Tools
BMI Calculator
Estimate body mass index from height and weight and see the standard adult classification range.
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Settings
Measurements
Enter an adult’s height and weight to calculate BMI. This is a screening estimate, not medical advice.
Simple workflow
How to use BMI Calculator
- 1Select metric or imperial units.
- 2Enter height and weight.
- 3Calculate the BMI and category.
Good to know
Frequently asked questions
How are results calculated?
Results use deterministic formulas shown in the explanation and are calculated locally in your browser.
Can I use this for official decisions?
Use the result as a helpful estimate and verify important financial, medical or legal decisions with a qualified professional.
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