BMI Calculator
Calculate BMI in metric or imperial units, with your category and healthy weight range — free and private.
Example: 170 cm and 65 kg gives BMI 22.5, Normal.
How it works
BMI = weight in kilograms divided by height in metres squared.
Worked example
170 cm and 65 kg gives BMI 22.5, which is in the Normal range, with a healthy weight range of about 53.5 to 72.0 kg.
Frequently asked question
Question: Is BMI a diagnosis? No, BMI is a general screening measure, not a medical diagnosis.