BMI Calculator
Calculate body mass index from height and weight using metric or US units, with standard adult BMI categories.
Tools
Other Tools
Your BMI
22.9
Category
Healthy weight
Healthy BMI range
18.5 - 24.9
BMI is a screening measure for adults and does not diagnose health. It may not reflect muscle mass, pregnancy, age, or body composition.
How to use the BMI Calculator
Choose units
Select metric or US units.
Enter height and weight
Type your current height and weight.
Read your BMI
See the BMI number and adult category instantly.
What is the BMI Calculator?
The BMI calculator estimates body mass index from your height and weight. It is commonly searched by people checking a quick adult weight category, but it should be used as general context rather than a diagnosis.
- Metric and US units
- Instant BMI calculation
- Adult BMI category
- Healthy BMI reference range
- No account or upload needed
- Clear screening-note context
Frequently Asked Questions
What does BMI mean?
Is BMI accurate for everyone?
Which BMI categories are used?
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