Dieting and Weight Loss
Nutrition
Potatoes

Will one bad day of eating cause you to gain weight?

789

Answer

User Avatar
Wiki User
01/22/2007

It depends on what you eat, how much you eat and how much you exercise on the "bad day." Every pound of body fat is equal to 3,500 calories. If you eat that much on your bad day and do not exercise, you can gain one pound of body fat. If you eat an extra 500 calories and run for an hour give or take some minutes, it may not have an effect at all.