Why the difference in machine vs. MFP

emandashmom
emandashmom Posts: 15
edited October 7 in Fitness and Exercise
Okay so tonight I did 15 minutes on the treadmill at 5mph and 20 minutes on the elliptical. Based on the machines, I burned 220 calories, based on MFP I burned 350ish. Is this because you keep burning once you get off and the machine doesn't account for that or is MFP way off (which I assume it isn't since there are experts who know this stuff)? I just don't know what to enter. HELP! :ohwell:
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