Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Mechanical
Pump Power Calculator
Calculate the shaft power a centrifugal pump motor must deliver to move fluid against a given head at a specified flow rate. Use it when selecting pump motors or auditing energy consumption in piping systems.
Fill in the required fields to see your result.
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.
Key differences
| Pump Power Calculator | Gear Ratio Calculator | |
|---|---|---|
| Category | Mechanical | Mechanical |
| Inputs required | 4 | 2 |
| Result | Required Power (kW) | Gear Ratio (:1) |
| What it does | Calculate the shaft power a centrifugal pump motor must deliver to move fluid against a given head at a specified flow rate. Use it when selecting pump motors or auditing energy consumption in piping systems. | 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. |