Originally Posted by floridatennisdude
I wore a heart rate monitor for a 90 minute hitting practice and burned over 1500 calories. Very few breaks and constant rallying.
Same monitor in the gym for a 60 min weight workout and 20 mins of intervals burned 1200.
Tough for a chart to predict the effort that goes into someone's workout. I'd say get a monitor if you really want to know. Polaris makes good ones that sync up with treadmills.
Thanks for the insight. Maybe the estimations from websites aren't that far off given my 230 pounds.