On the calories that I burned at the end of the workout, is that a pretty accurate estimate?
I've read before that DB uses an algorithm of your age, weight, gender, and the level of workout intensity you entered to estimate calories burned, but I have to say that after getting a heart rate monitor, the calorie counts between DB and my HRM are WAY different.
I think one of the biggest factors is your cardiovascular health, since how hard your heart is pounding, how long you stay in each zone, and how quickly your heart rate comes back down will play a big part in how many calories you burn. For me personally, I did a workout yesterday that said I burned 619 calories, but my HRM said 297.
If you're really trying to use the calorie estimate to help with net caloric intake, I'd recommend erring on the side of DB being a little too generous with the counts.
Finally remembered to put on my HRM today. DB said I burned 352 and in reality I only burned 95 calories. Bummer.
As the other answers suggest, estimating calorie burn accurately is quite a difficult task. Moreover, unless you're tracking this 24 hours a day, you will never really get a reliable number to balance against caloric intake. What usually ends up happening is people *way* overestimate how many calories they're actually burning, eat more calories than they think they should, and then gain weight or stall out their weight loss efforts.
The smarter approach is to simply use one of the well known TDEE (total daily energy expenditure) calculators. I highly recommend http://iifym.com/tdee-calcula...
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