HELP!!!!

MrsBlaze

I wore my HRM on the treadmill for 30 minutes going 3.0 mph. ( I weigh 240 lbs.) The treadmill said I burned 130 calories. My HRM said I burned 381. Which do I use??? Or should I average them??? HELP!!! Also, I did 30 minutes of circuit training and MFP said that 433 calories were burned and my HRM said 499. I logged the MFP total. Thanks so much for your help with the treadmill calories burned!! : )