Pump math

Fire Pump Pressure Calculator

Calculate pump discharge pressure using nozzle pressure, hose friction loss, elevation, and appliance loss.

Use Calculator Open FireOps Calc

Quick PDP calculator

Use the standard training formula: PDP = NP + FL ± elevation + appliance loss.

Nozzle pressure PSIFlow GPMHose C-valueHose length ftElevation PSIAppliance loss PSI

156 PSI PDP

Related tools

Continue pump math practice.

CalculatorFriction Loss Calculator

Calculate hose friction loss using C × Q².

High-RiseStandpipe / FDC Calculator

Practice elevation and standpipe support pressure.

PracticeFirePumpSim Scenarios

Apply the math in visual training scenarios.

Training note: These web tools are for education, practice, and estimating. Use your department SOPs, instructor direction, and manufacturer guidance for live operations.