BMI Calculator
Calculate Body Mass Index and see your result on a labeled health-zone scale
BMI = kg / m²
BMI
22.9
Category
Normal weight
About this calculator
The BMI Calculator computes your Body Mass Index from your height and weight in either metric or imperial units. BMI is a widely used screening tool that places you in one of four categories: underweight, normal weight, overweight, or obese. Enter your measurements to see your BMI and category instantly.
Common examples
- 70 kg, 175 cm → BMI = 22.9 (Normal weight)
- 90 kg, 170 cm → BMI = 31.1 (Obese)
- 55 kg, 165 cm → BMI = 20.2 (Normal weight)
- 200 lbs, 5 ft 10 in → BMI = 28.7 (Overweight)
- 130 lbs, 5 ft 4 in → BMI = 22.3 (Normal weight)