Here is a write up I did on the different number of calories, per exercise per weight...if that makes sense..
There is more to the post in the link. very interesting ideas.
(For every 10 minutes of the activity)
Activity (Your weight)(125lbs) (150lbs) (175lbs) (200lbs)
Gardening
41 49 57 65
Racquetball
75 90 105 120
Running (9min/mile)
109 131 153 174
Shopping
35 42 49 56
Sitting(reading)
10 12 14 16
-more on the blog-
http://gloriousfiasco.com/2008/03/21/exercise/
a lot of interesting numbers.
- 
Calorie burning Numbers. 
Linear Mode
