Bmi calculator: calculate body mass index online

How do I calculate body mass index? You can use the online BMI calculator for men and women from Prostobank.com. By specifying weight and height, you will find out the value of the body mass index and will be able to determine the norm, underweight or obesity

Calculation results

How do I use the BMI calculator from Prostobank.com?

We suggest you to use our body mass index calculator. The principle of the service is quite simple - you need to specify the height (in centimeters) and weight (in kilograms), click the "Calculate" button.

After receiving your data, the calculator will instantly show the result online - your individual body mass index.

Formula for calculating body mass index

BMI = WEIGHT ÷ HEIGHT2

where weight is in kg and height is in meters. The calculator automatically converts height from centimeters to meters.

Once you know your body mass index, you can evaluate it. Using our classification, men and women have the opportunity to independently determine the underweight, obesity or compliance with the norm.

Classification of body weight in adults according to WHO:

  • BMI < 18.5 - lack (deficiency) of body weight

  • 18.5 < BMI < 24.9 - normal

  • BMI > 25 - overweight

  • 30 < BMI < 34.9 - obesity of the 1st degree

  • 35 < BMI < 39.9 - grade 2 obesity

  • BMI > 40 - obesity 3 degrees

Unit conversion calculators online