In this fast rapid world, with success, people are also getting concerned about their health, whether it is a small school going kid, or a youngster, an adult or our senior generation. Everyone is getting a fitness freak. We can see the numbers of gyms and yoga centers are increasing day by day, and even people are consulting nutritionist for various diet plans for weight loss. We can even see many videos on YouTube or social media where people are giving tips for the perfect weight, how to lose weight fast or many other weight loss tips. And as said, Health is Wealth, it’s really great. But guys, before stepping up into any particular type of diet or exercise plans, you should know a few things regarding your body and the amount one needs to lose weight, and for this, you should calculate your body requirements and should know the factors that play a major role to help you to get the perfect body weight.