Famous How Many Gallons Per Hour Garden Hose 2022. The flow rate for a garden hose is between 9 and 17 gallons per minute. The assumed c factor (internal to the equation constant) is 135 for flexible garden hoses.
How much water does a garden hose use in one hour? The flow rate for a garden hose is between 9 and 17 gallons per minute. Gardeners can rely on estimates even without calculating the hose length.
