You need to burn about 3,500 calories per pound. Then you need to burn 70,000 calories to lose 20 pounds.
It takes four calories to burn one gram of carbohydrate.
You need to burn 3500 calories to lose a pound.
In order to lose 1 pound, you need to burn 3,500 calories.
1,250. 1,250 calories=1lb.
3,500 calories are in a pound. If you eat 3,500 calories, you gain a pound. If you burn 3,500 calories, you lose a pound.
you can lose up to 30 calories
Any calorie deficit will cause you to lose weight.