Dogs are hungry animals and can eat a lot of food depending on their size. If you feed your dogs too much, they might get fat. If you don't feed them enough, they could go hungry. Here's a chart to help:
Dogs over 100 pounds can eat almost as much as a human's recommended amount per day! Amount of food depends a lot on what kind of dog you have German Shepards, for example, should have 2 and a half cups per day.