About the bmi calculator
BMI is a simple screening number relating weight to height. It does not measure body fat or muscle and is not a diagnosis. Consult a health professional for personal advice.
Formula used
BMI = weight (kg) / height (m)²
How to use
Fill in the fields above and the results update instantly. Change any value to compare scenarios. Results are estimates for planning and education and may differ from figures provided by banks, tax offices or doctors.
Frequently asked questions
What is a healthy BMI?
The WHO adult range for normal weight is 18.5 to 24.9.
Is BMI accurate for athletes?
Not always, since muscle weighs more than fat.