Is it overweight or obesity ?

Overweight refers to an excess of body weight, but not necessarily body fat. Obesity means an excessively high proportion of body fat. Health professionals use a measurement called body mass index (BMI) to classify an adult’s weight as healthy, overweight, or obese. BMI describes body weight relative to height and is correlated with total body fat content in most adults.
You can use this BMI calculator to count yours. Why is BMI important ? Cos before you start a diet you need to know in which stage are you. So your diet wont be cause health problem to your body. Here is the BMI range from 18.5 up to 25 is considered in the healthy range, from 25 up to 30 is overweight, and 30 or higher is obese.