Q: how many calories equals one pound

A: One pound of fat is the equivalent of 3500 calories. But you need to understand that counting calories is NOT a good way to lose fat. Your body can and does burn muscle tissue for energy, in addition to fat tissue. Your goal should be not just counting calories, but making sure that the calories you burn come from burning fat and not from burning muscle. This whole site is designed to help you learn how to do just that. Please start by reading my weight loss article and other articles referenced in it.