BMI (Body Mass Index) is a useful tool to identify possible weight problems for adults. It is based on individual’s body weight and height. BMI does not measure body fat directly, but it correlates to direct measures of body fat.

BMI Calculator (Adult)


  1. Metric: BMI=weight (kg) / [height (m)][2]
  1. Standard (Pounds and inches): BMI= weight (lb) / [height (in)][2] x 703
unit US    
height ftin
weight lb
height cm
weight kg
Under weight BMI below 18.5
Normal weight BMI between 18.5-24.9
Overweight BMI between 25-29.9
Obesity BMI at 30 and above