CALCULATOR · GEAR
Gear Ratio Calculator
Enter driver and driven tooth counts to calculate the gear ratio, output speed, and output torque. Supports 1 to 3 stage configurations.
Transmission efficiency (η)
0.98 / stage (reference)
HOW-TO How to Calculate Gear Ratio and Reduction Ratio +
- Select the number of gear stages and enter the driver and driven tooth counts for each stage
- Optionally enter the input speed and torque
- The reduction ratio, output speed, and output torque are displayed in real time
Result
Total ratio
—
- Stage 1 ratio
- —
INPUTS
Gear Ratio Calculator
Stage 1
6–500 teeth
teeth
6–500 teeth
6–500 teeth
teeth
6–500 teeth
Optional inputs (speed & torque)
1–100000 RPM
RPM
Leave blank to hide output speed
0.001–100000 N·m
N·m
Leave blank to hide output torque
FEEDBACK
BUG · REQUEST
0 / 500