Flow Rate Conversion

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Flow rates are often used to describe the output of a pump, powerhead, or filter. The conversion chart below will help to convert different measurements of flow.

Enter your flow rate in one of the 'Value' boxes and click 'Calculate'

MEASUREMENTVALUERESULTMEASUREMENT
Litres per hour
LPH		 Litres per hour
LPH
Liters per minute
LPM		 Liters per minute
LPM
Liters per second
LPS		 Liters per second
LPS
Imperial Gallons per hour GPH Imperial Gallons per hour GPH
Imperial Gallons per minute GPM Imperial Gallons per minute GPM
Imperial Gallons per second GPS Imperial Gallons per second GPS
US Gallons per hour
GPH		 US Gallons per hour
GPH
US Gallons per minute GPM US Gallons per minute GPM
US Gallons per second GPS US Gallons per second GPS
Metres cubed per hour M³PH Metres cubed per hour M³PH
Metres cubed per minute M³PM Metres cubed per minute M³PM
Metres cubed per second M³PS Metres cubed per second M³PS

Useful formulas
LPH x 0.22 = GPH
LPH x 0.26 = US GPH
GPH x 4.546 = LPH
US GPH x 3.785 = LPH
Per Hour x 0.0166 = Per Minute
Per Minute x 0.0166 = Per Second



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