# How To Convert CV To GPM

Flow coefficient (Cv for control valve) is the capability of a valve to flow a liquid. One Cv is equal to a flow of 1 gallon per minute (gpm) of water at 60 degrees Fahrenheit with a pressure differential of 1 pound per square inch. The larger the Cv, the greater the flow in gpm. If you are dealing with a pressure differential other than 1 pound per square inch (psi), then gpm can be calculated in a few steps.

### Step 1

Determine the pressure differential of the valve by subtracting the downstream pressure from the upstream pressure.

### Step 2

Take the square root of the pressure differential.

### Step 3

Multiply the square root of the pressure differential by the valve coefficient to calculate the flow in gallons per minute.

### Cite This Article

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Macomber, Logan. "How To Convert CV To GPM" *sciencing.com*, https://www.sciencing.com/convert-cv-gpm-8694625/. 24 April 2017.

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Macomber, Logan. (2017, April 24). How To Convert CV To GPM. *sciencing.com*. Retrieved from https://www.sciencing.com/convert-cv-gpm-8694625/

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Macomber, Logan. How To Convert CV To GPM last modified March 24, 2022. https://www.sciencing.com/convert-cv-gpm-8694625/