Why do different treadmills give different calorie readings?

Can you answer james G’s question about Treadmill?:

I’ve read on many posts people burn 400-500 calories on their treadmill while power walking for around 30mins. I switch between jogging and power walking and burn around 100 in 30 mins(according to the calorie reader).

Why does my treadmill’s calorie reader show a lower number?

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Comments

One Response to “Why do different treadmills give different calorie readings?”

  1. chinmusic851 on July 21st, 2009 7:37 am

    Treadmill Feedback: When I ran on a treadmill I used a low incline and fairly easy setting and the machine showed that I burned about 120 calories in that time. If you add a steep incline and ratchet up the difficulty, I could see it being 3-4 times that. If I had done that intense of a workout my heart probably would have exploded.

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