The conversion of Gallon Per Hour (GPH) to Litre Per Second (LPS) is a crucial calculation in various fields, including engineering, chemistry, and environmental science. A Gallon Per Hour is a unit of flow rate that measures the volume of a liquid passing through a given point in one hour, while a Litre Per Second is a unit of flow rate that measures the volume of a liquid passing through a given point in one second. To convert GPH to LPS, one can use the conversion factor of 1 GPH being equivalent to approximately 0.002227 LPS. This conversion is essential in calculating the flow rates of liquids in various applications, such as water treatment plants, chemical processing, and fuel dispensing systems.