Question: how much weight do you lose when you burn 100 calories?
Answer: A Simple Formula A pound of fat equals 3,500 calories. Shaving 100 calories each day for 365 days is roughly 36,500 calories, equivalent to 10 pounds of pure fat. You could double your weight loss to 20 pounds in a year by trimming 100 calories from your diet and burning 100 extra calories each day.