Why am I getting such a variance in estimated calories burned on the same workout?
I seriously think if you want to know how many calories you're burning you should just invest in a heart rate monitor. I have one that I use on EVERY work out that I do. The amount of calories you burn depends on a variety of things, such as weight, how hard you/your heart is working, etc.
I did one of the workouts yesterday and even though my heart rate got higher faster, and I'm probably heavier than the people in the videos, my monitor told me I was around 20-30 calories behind them. So in order to get a true gauge of what you're burning, I'd say just if you can, get a heart rate monitor!
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