There is a "scientific" method - but it's a little involved. First,
find out your pulse rate when walking a 15 minute mile. If your
weight is around 150 pounds walking/jogging a mile should be about 100
calories. My pulse at 4 mph is 95, I then know exercise at a 95 pulse
rate = 100 calories every 15 minutes. At 5 mph my pulse is 115 -
that's 100 calories/12 minutes. At 6 mph my pulse is 135 - 100
calories/10 minutes. This method should be more accurate than the
machines at the gym which are notorius for exaggerating your calories
burned - exception - the treadmills are generally more accurate in
that regard.

jmk wrote in message ...
I am feeling a bit frustrated about getting information about calories
burned during exercise. The information that I have found varies
dramatically. I understand that one reason is that the intensity varies
and so does the individual. In your opinion, what is a good/accurate
way of determining how many calories are burned during exercise? Heart
rate monitors?

Of course, exercise is good for many reasons. Stress reduction, toning,
general well being. :-)

Thanks!