Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Mechanical
Gear Ratio Calculator
Calculate the gear ratio between two meshing gears from their tooth counts. Use it when designing drivetrains, selecting motor reduction gears, or analyzing the speed-versus-torque trade-off in any geared system.
Fill in the required fields to see your result.
Mechanical
Chain Drive Calculator
Calculates the output speed of a chain drive system given sprocket tooth counts, input speed, and drive efficiency. Useful for mechanical designers selecting sprocket ratios for conveyors, motorcycles, and industrial machinery.
Fill in the required fields to see your result.
Key differences
| Gear Ratio Calculator | Chain Drive Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 2 | 4 |
| Result | Gear Ratio (:1) | Output Speed (RPM) |
| What it does | Calculate the gear ratio between two meshing gears from their tooth counts. Use it when designing drivetrains, selecting motor reduction gears, or analyzing the speed-versus-torque trade-off in any geared system. | Calculates the output speed of a chain drive system given sprocket tooth counts, input speed, and drive efficiency. Useful for mechanical designers selecting sprocket ratios for conveyors, motorcycles, and industrial machinery. |