ÔÇ£A total of 3500 calories equals 1 pound of body weight.┬áThis means if you decrease (or increase) your intake by 500 calories daily, you will lose (or gain) 1 pound per week. (500 calories per dayÔÇë├ùÔÇë7 daysÔÇë=ÔÇë3500 calories.)ÔÇØ┬á