BMI Calculator
This free BMI Calculator computes your Body Mass Index instantly. Enter your height and weight in metric (cm, kg) or US (ft, in, lb) units to get your BMI value, WHO classification, healthy weight range, BMI Prime, and Ponderal Index - all in one place.
Enter Your Height and Weight to Calculate Your BMI
Between 2 to 120 years
ft
in
lb
cm
kg
Your BMI is
23.1 kg/m2
Normal12 18 24 30 36 42
23.1
Underweight
< 18.5
Normal
18.5 - 25
Overweight
25 - 30
Obese
> 30
Healthy Weight Range 59.9 kg - 81 kg Recommended for your height
To reach BMI 25 Lose 24.3 kg Target: Normal Weight upper limit
Ponderal Index 12.9 kg/m3 Valid metric for all heights
BMI Prime 0.92 Ratio of BMI to upper limit (25)
