**Full name:** cubic foot/second

**Plural form:** cubic feet/second

**Symbol:** cfs

**Category type:** volume flow rate

**Scale factor:** 0.028316847

The SI derived unit for volume flow rate is the cubic meter/second.

1 cubic meter/second is equal to 35.3146662127 cubic feet per second.

Valid units must be of the **volume flow rate** type.

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A cubic foot per second (also cfs, cu ft/s, cusec and ft³/s) is an Imperial unit / U.S. customary unit volumetric flow rate, which is equivalent to a volume of 1 cubic foot flowing every second.

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