Conveyor Calculators
Gear Ratio Calculator
Calculate gear ratio between two spur gears.
Inputs
Result
Gear ratio
3 : 1
Formula
Ratio i = Z₂ / Z₁
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Formula
Ratio i = Z₂ / Z₁
Worked example
60 / 20 = 3:1
FAQ
+What is a reduction ratio?
Any ratio greater than 1:1 — output is slower and higher torque.
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