Is BMI accurate for everyone?

No — it doesn't distinguish muscle from fat, so it can be misleading for very muscular or very lean people. It's a general population screening tool, not a diagnosis.

Does this store my height or weight anywhere?

No — nothing you enter leaves this browser tab.

BMI Calculator

Enter your height and weight (metric or imperial) to get your BMI and which range it falls in.

Height (cm)

Weight (kg)

Enter your height and weight to see your BMI.