gph

US gallon per hour

Volumetric flow rateexact by definition

The US gallon per hour is exactly 3.785411784 × 10⁻³/3600 cubic metres per second. Small chemical feed pumps, fuel burners and reverse osmosis membranes are all rated in gph, and oil burner nozzles are sized directly in it.

1 gph 0.063090196 L/min