I found this maybe it will help you.......
How To Calculate Your Calorie Needs
Very Light Exercise
Multiply your weight in pounds by 12
Light Exercise
Multiply your weight in pounds by 13
Moderate Exercise
Multiply your weight in pounds by 14
Moderate-Heavy Exercise
Multiply your weight in pounds by 15
Heavy Exercise
Multiply your weight in pounds by 16
Example
Alice weighs 140 pounds. She is very physically active.
Her calorie needs are 140 x 16 = 2240 calories/day
http://www.annecollins.com/calories/...eeds-women.htm