What you are asking is the difference between 5oz per square yard (Imperial) and 160grams per square meter (Metric).1oz = 28.35 Grams1yd = 0.91 meters1yd2 = 0.836 Meters2Therefore 1oz/Yd2 =...
That depends mainly on the height, and secondarily on a few other factors such as the gender. The commonly used measure nowadays is the BMI (body mass index); you can find an introduction here:...
No you do not need to lose weight. 120 is a good weight, but it all depends on how tall you are. If you are any where from 4'11 to 5'4 that is a good weight. If you are shorter you may need to watch...