This depends on your height and activity level. If you are of avg height for a woman say 5'4'' then you should eat about 2148 calories. But if you are a couch potato then cut it back to 1790. If you are 5 foot then you should eat 1790. If you are 5' 8'' then 2170 is your number. Goto http://www.weight-loss-center.net/daily_calorie_calculator.html and play with the numbers.