4 ms·
1lb of fat is ~3500 calories and that is simply 9 calories per gram of fat X 453 grams in a pound. its actually closer to 4000 but people just use 3500 because
by anthonypasq 3y ago
1lb of fat is ~3500 calories and that is simply 9 calories per gram of fat X 453 grams in a pound. its actually closer to 4000 but people just use 3500 because that means you would need a 500 calorie deficit per day to lose a pound a week.
- steve1977 3y agoIt’s even easier in the metric system, where a 500 kcal (daily) deficit should roughly amount to a 500 g (weekly) weight loss. And AFAIK this is calculated based on body fat actually corresponding to around 7.7 kcal per gram, not 9 (that is for food).