What BMI formula does this use?
Metric BMI is weight in kilograms divided by height in meters squared. US BMI uses 703 times pounds divided by inches squared.
BMI Calculator
BMI Calculator
Calculate body mass index from metric or US height and weight inputs, with adult category guidance.
This calculator provides general informational estimates only. It is not medical advice.
BMI
Adult category: Normal
How it works
1
Choose units
Use metric kg/cm or US lb/in based on your measurements.
2
Enter weight and height
The result updates instantly in your browser.
3
Read the category
The category is an adult informational estimate, not a diagnosis.
FAQ
Is BMI medical advice?
This calculator provides general informational estimates only. It is not medical advice and should not be used to diagnose, treat, or make health decisions without a qualified professional.
Related calculators
HealthLive
Calorie Calculator
Estimate daily calories from BMR, activity level, and a maintain, loss, or gain goal.
HealthLive
TDEE Calculator
Estimate total daily energy expenditure from BMR and activity level.
MathLive
Percentage Calculator
Solve percent-of, percent ratio, and percent change questions in one compact calculator.