How it works
A useful estimate, explained.
Body mass index compares weight with height. It is widely used as a screening measurement, but it does not directly measure body fat, fitness, or health.
Source: CDC adult BMI guidanceBodyMonthly
BMI Calculator
Two measurements. One useful starting point.
Quick answer
Get your BMI category and a healthy-weight reference range in seconds. Designed for adults aged 20 and over.
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Ready when you are.
Add your details and calculate to see an estimate with a clear explanation and useful supporting numbers.
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Keep in mind
The number is not the whole story.
For adults only. Pregnancy, high muscularity, age, ethnicity, and health history can change how a result should be interpreted.
Vitalo tools provide general education, not medical advice, diagnosis, or treatment.
Clear answers
Frequently asked questions
How does the BMI Calculator work?
Body mass index compares weight with height. It is widely used as a screening measurement, but it does not directly measure body fat, fitness, or health.
What are the limits of this result?
For adults only. Pregnancy, high muscularity, age, ethnicity, and health history can change how a result should be interpreted.
Is the BMI Calculator medical advice?
No. This free tool provides a general educational estimate and cannot diagnose a condition or replace advice from a qualified healthcare professional.
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