Calculate Flow Rates and Pump Settings for Your John Blue Hydraulically-Driven Piston Pump

John Blue’s Hydraulic Drive Piston Pump RPM Calculator is used to calculate your pump’s output in gallons/liters per revolution (GPR/LPR) and gallons/liters per minute (GPM/LPM), revolutions per minute (RPM), and the pump’s respective setting. The calculator works in both standard and metric units. Instructions are available below.

Choose Your Pump Type

Choose English or Metric Units

Enter Application Rate
Gallons Per Acre
Enter Swath Width (?)
Enter Ground Speed
Miles Per Hour

I understand that John Blue Company is furnishing this calculator "as is" and that it is not covered by any warranty whatsoever, whether express, implied, or statutory, including, but not limited to, its freedom from errors, its fitness for any particular purpose, and/or its correct or incorrect use. I agree that by using this calculator, I am doing so at my own risk. I agree to hold John Blue harmless for any and all damages directly or indirectly related to the use of this calculator. In no respect shall John Blue Company incur any liability for any damages, including, but not limited to, direct, indirect, special, or consequential damages arising out of, resulting from, or in any way connected to the use of this calculator, whether or not based upon warranty, contract, tort, or otherwise; whether or not injury was sustained by persons or property or otherwise; and whether or not loss was sustained from, or arose out of, the results of this calculator and its use.


I understand that all calculations are based upon the information I provide. Always verify the calculated information before entering the field as variables within your system can cause differences between calculated rates and actual output rates.