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What does a "grade" of incline mean on treadmills?

Discussion in 'Gym Equipment' started by Justitia, May 23, 2018.

  1. Justitia

    Justitia Elite Member
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    I alternate between a Cybex Arc Trainer and a treadmill for my cardio. The treadmill allows me to select from 0 to 10 "incline" in o.5 increments.

    Despite all my googling I can't figure out what these numbers mean. Does anyone know? I typically go at 3 mph at an incline grade of 3. sometimes I reduce the grade to 2.5.

    What does "3" or "2.5" mean? I assume it translates to some degree of angle the treadmill inclines to.
     
  2. macdiver

    macdiver Well-Known Member
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  3. Justitia

    Justitia Elite Member
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    Is there a way of translating it into "degrees" such as 45 degree angle vs 90 degree angle (which would mean walking up vertically into the sky - obviously physical impossibility - 180 degrees -which would imply walking upside down -- lol.)
     
  4. macdiver

    macdiver Well-Known Member
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    I think it would be an inverse tangent function of the % slope divided by 100.
     

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