Gear Ratio
Calculate gear ratio and output RPM
Input Parameters
Valid
Gear Ratio
0.00
Output RPM
0.00 RPM
Formula
Ratio = Driven / Driving; Output = Input / Ratio
Fill in the values on the left and click Calculate to see your result.
Formula
Ratio = Driven / Driving; Output = Input / Ratio
Gear ratio determines the mechanical advantage and output speed.
Assumptions
- Ideal meshing
- No slippage
Step 1: Calculate ratio
Ratio = 60 / 20 = 3.0:1
Step 2: Calculate output RPM
Output = 1500 / 3.0 = 500 RPM
Frequently Asked Questions
What is gear ratio?
The ratio of driven to driving gear teeth.