Calculate my BMI

Body mass for 79 kg, height 171 cm

Don't worry about weight, we'll tell you immediatly if 171cm is healthy

😜 Check your BMI 🍺

Graph your BMI against the healthy norm

If you are carrying excess weight, you are storing up trouble

These consequences are related to obese adults

A BMI greater than 25 (overweight) or a Body Mass more than 30 (obese) gives you a real risk of diseases and health conditions, including,:

BMI Prime

Created in way back in 1830, the b.m.i. is a single figure used to as a way of measuring a person's body shape. Put simply, it is calculated by dividing the body's weight by the square of their height. Eg: Kilograms: weight, divided by Metres (Meters): height. Bmi is a variant of the Quetelet index. If you have a Prime of less than 0.74, you are underweight. If your prime is more than 0.74 and less than 1.00, your weight is ideal. If your BMI prime is more than 1 you are probably overweight.

How it's calculated

Behind the scenes of BMI
  • BMI = weight(kilograms) / height2 (metres2)         (Metric Units)
  • BMI = 703 . weight(pounds) / height2 (inches2)         (Imperial Units)

BMI limitations

BMI calcs ignore variation in physical characteristics.
See for more details.