Calories Burned During Exercise
There are a number of great calculators available on the internet to calculate how many calories you burn by exercising. I like this one from Nutrition Data.  For a quick summary of calories burned, here is a chart showing calories burned, based on your body weight, for some common activities (these results are approximations of calories burned during exercise, and will differ based on age, gender, and intensity of exercise):
| Activity (one hour) |
130 lbs |
155 lbs |
190lbs |
| Aerobics, general |
354 |
422 |
518 |
| Bicycling, less than 10mph, leisure |
236 |
281 |
345 |
| Bicycling, 12 to 14 mph, moderate |
472 |
563 |
690 |
| Bicycling, more than 20mph, racing |
944 |
1,126 |
1,380 |
| Cleaning, general house cleaning |
207 |
246 |
302 |
| Gardening |
295 |
352 |
431 |
| Jogging |
413 |
493 |
604 |
| Running, 5 mph (12 minute mile) |
472 |
593 |
690 |
| Running, 7.5 mph (8 minute mile) |
738 |
880 |
1,078 |
Tomorrow: my comments on calories burned while walking.