Gear Ratio Calculator
Calculate gear ratios, speed, torque, and power transmission for mechanical systems
System Configuration
Input Gear
Output Gear
About this calculator
Gear Ratio Calculator: A drivetrain tool for calculating gear ratio, speed, and torque relationships.
How it works
- Enter driver and driven gear tooth counts or ratios.
- Provide RPM or torque values when needed.
- The calculator returns ratio, output speed, and related metrics.