Know your number

Enter your age, height and weight to see your BMI, your weight status and a normal weight range for your height.

Takes about 30 seconds. Your numbers are worked out in your browser and are not stored.

Units
years
cm
kg

BMI is a screening measure, not a diagnosis. Please consult a healthcare professional before starting any supplement or weight plan.

Body Mass Index (BMI) formula

Table: Metric BMI formula

BMI (kg/m2) = weight in kilograms (height in meters)2
BMIWeight status
Below 18.50Underweight
18.50 to 24.99Normal
25.00 to 29.99Overweight
30.00 and aboveObese

Source: WHO (1955), WHO (2000) and WHO (2004).