This depends on your ge and height and how active you are but a 29 year old woman, of height 5'6 that does no activity will need approximately 1700 calories to maintain her weight. This can go up to 2044 if she is moderately active. There is a calorie clcultor on the 'About' website http://walking.about.com/cs/calories/l/blcalcalc.htm
2100 calories
3500
around 1206.84 calories.
About 2,000 calories a day.
1200 calories
1500
About 1,800 to 2,000 calories daily.
I believe it to be 1800 calories/day.
About 1,600 calories for a woman, and about 1,800 calories for a man.
1800
2100 calories if your active
2000