Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
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.
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.
Key differences
| Gear Ratio & Torque Calculator | Gear Ratio & Speed Calculator | |
|---|---|---|
| Category | Engineering | Engineering |
| Inputs required | 4 | 3 |
| Result | Output Torque (Nm) | Output Speed (rpm) |
| What it does | 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. | 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. |