Quick health estimate
Use it for a fast body mass index check before discussing results with a health professional.
BMI calculator
Calculate body mass index
Enter height and weight to estimate BMI. This is a simple screening calculation, not medical advice.
How to use
- Enter height in centimeters.
- Enter weight in kilograms.
- Review the BMI estimate and category.
Common uses
Fitness tracking
Compare BMI changes over time together with other measurements like waist size and activity level.
Example
A person who is 170 cm tall and weighs 65 kg has a BMI of about 22.5, which is commonly shown in the normal range.
FAQ
What formula is used?
BMI equals weight in kilograms divided by height in meters squared.
Is BMI a diagnosis?
No. It is only a general screening estimate and does not measure body fat directly.