Quantifying the results of your exercise program helps you track progress and stay motivated. Some exercise machines provide standard performance measurements such as calories burned, heart rate, time elapsed and distance traveled. Proform elliptical trainers display distance as a measurement of revolutions per minute. A few simple calculations will help you convert your Proform elliptical distance into miles for each workout.
Things You'll Need
- Tape measure (if you do not know the machine's stride length)
Refer to your Proform elliptical owner's manual to determine the stride length of the machine. If the manual provides the stride length in inches, convert into feet by dividing by 12. Skip to Step 4.
Measure the wheel from edge to edge across the center to determine the diameter of the wheel in inches if you do not know the stride length. Multiply the diameter by 3.14 to calculate the circumference, or perimeter, of the wheel in inches. Divide the circumference in inches by 12 to convert the measurement to feet.
Divide 5,280 (the number of feet in a mile) by either the stride length or circumference of the wheel in feet. The result indicates the distance you travel with each revolution of the wheel.
At the end of your workout, multiply the total revolutions you see on the Proform elliptical's display by the stride length or wheel circumference to calculate the total miles you traveled during your workout.
- Photo Credit pedometer with tape measure image by Andrew Brown from Fotolia.com Calculator image by Alhazm Salemi from Fotolia.com
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