How To Calculate For Obesity

A person is considered obese if he or she has more body fat than what's considered healthy for his or her height.

BMI : Body Mass Index

Then, calculate BMI by dividing weight in pounds (lb) by height in inches (in) squared and multiplying by a conversion factor of 703.
When using a handheld calculator, if your calculator has a square function, divide weight (lb) by height (in) squared, multiply by 703, and round to one decimal place.

Calculator link :
https://www.nhlbi.nih.gov/health/educational/lose_wt/BMI/bmicalc.htm

BMI Weight Status Below

18.5 Underweight
18.5 – 24.9 Normal or Healthy Weight
25.0 – 29.9 Overweight
30.0 and Above Obese