RC Calculations Logo Rollout Ratio Calculator

This javascript/HTML calculator is used to help calculate various values relating to rollout ratio.

Fill in all but one of the fields and press the "Calculate" button to display the missing value. Some fields can be automatically filled with pre-determined values by selecting from the associated drop-down list, or start typing in a model/make in the field and select the appropriate choice.


Enter Front/Rear Differential Gear Ratio (?):
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Enter Transmission Gear Ratio (?):
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Enter Additional Gear Ratio (?):
Enter Spur Gear tooth count (?):
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Enter Pinion Gear tooth count (?):
Enter tire diameter in inches (?):
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Rollout Ratio (?):