Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Engineering
Gear Ratio & Speed Calculator
Determine the gear ratio, output shaft speed, and torque multiplication of any meshing gear pair. Use it when designing drivetrains, gearboxes, or motor-to-wheel power transmissions.
Fill in the required fields to see your result.
Engineering
Gear Ratio & Torque Calculator
Compute the output torque, gear ratio, and mechanical advantage of a gear pair given tooth counts, input torque, and efficiency. Use this when designing gearboxes, drivetrains, or any power transmission system.
Fill in the required fields to see your result.
Key differences
| Gear Ratio & Speed Calculator | Gear Ratio & Torque Calculator | |
|---|---|---|
| Category | Engineering | Engineering |
| Inputs required | 3 | 4 |
| Result | Output Speed (rpm) | Output Torque (Nm) |
| What it does | Determine the gear ratio, output shaft speed, and torque multiplication of any meshing gear pair. Use it when designing drivetrains, gearboxes, or motor-to-wheel power transmissions. | Compute the output torque, gear ratio, and mechanical advantage of a gear pair given tooth counts, input torque, and efficiency. Use this when designing gearboxes, drivetrains, or any power transmission system. |