Free tools
Calculate adult BMI from height and weight in cm/kg or inches/lb. See the formula, a worked example and what BMI can and cannot tell you.
Your result
Examples illustrate the calculation. They are not recommended targets.
75 kg ÷ (1.75 m × 1.75 m) = 24.5 BMI
Examples illustrate the calculation. They are not recommended targets.
No. BMI relates weight to height and cannot distinguish muscle from fat. This adult calculation does not diagnose health and is not a child growth assessment.
BMI is weight in kilograms divided by height in metres squared. For adults aged 20 and over. It does not distinguish muscle from fat or diagnose health.
BMI = kg / m²
Source: CDC: Adult BMI
These tools provide general information, not medical advice. Nutrition estimates are not intended for children, pregnancy, breastfeeding or managing a medical condition.
