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Volumetric (Fluid) Flow Rate

Q=VT
(V)Total Volume
(T)Total Time Period or Duration

The Volumetric (Fluid) Flow Rate equation calculates the Flow Rate (Q) of a fluid given a specified Volume (V) and Timeframe (T).

INSTRUCTIONS: Choose units and enter the following:

  • (V) Volume
  • (T) Time

Flow Rate (Q):  The calculator returns the flow rate in gallons per minute.  However this can be automatically converted to compatible units via the pull-down menu.

The Math / Science

The formula for volumetric flow rate is:

           Q = V / T

where:

In physics and engineering, in particular fluid dynamics and hydrometry, the Volumetric flow rate (volume flow rate, rate of fluid flow or volume velocity) is a common measurement in physics, engineering, fluid dynamics and hydrometer. Volumetric flow rate is the volume of material (e.g. fluid or gas) which passes per unit time.  The standard SI unit is m3/s (cubic metres per second). In US customary units and imperial units, volumetric flow rate is often expressed as ft3/s (cubic feet per second) or gallons per minute (either US or imperial definitions).

Volume Flow Calculators: