Below given link is an excellent site to know all about your  healthy body weight . It provides full information about how to achieve healthy weight and than to maintain it through balancing calories. Every one is always anxious to know whether his/her body weight is normal or he she is obese. So this site provides BMI calculator to know in which category one falls according to weight and height and how to achieve healthy weight . 

Click the link  to know much more about healthy  body weight.