Pumper Calc is a lightweight and easy to use calculator for driver pumper operators (DPO), driver aerial operators (DAO) and fire officers. It will quickly calculate friction loss, Nozzle pressure, Pump Discharge Pressure (PDP), Gallons Per minute (GPM), Nozzle reaction, Iowa Formula, NFA Formula, rural water Tanker GPM and ethanol foam. It has a handy cheat sheet for stack tip nozzle GPM and nozzle pressures. The MyRig page allows you to take images of your pumper and input information about the hose lays. There is also information about the different colors and flows for hydrants.

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