How to Calculate Ratio factor for external gears?
Ratio factor for external gears calculator uses Ratio Factor = 2*Number of teeth of the Gear/(Number of teeth of the Gear+Number of Teeth on Spur Pinion) to calculate the Ratio Factor, Ratio factor for external gears is defined as the ratio of number of teeth on gear to the sum of number of teeth on gear and pinion. Ratio Factor is denoted by Q_{g} symbol.
How to calculate Ratio factor for external gears using this online calculator? To use this online calculator for Ratio factor for external gears, enter Number of teeth of the Gear (Z_{g}) & Number of Teeth on Spur Pinion (z_{p}) and hit the calculate button. Here is how the Ratio factor for external gears calculation can be explained with given input values -> 1.428571 = 2*30/(30+12).