Look up flowrate in Wiktionary, the free dictionary.
Flow rate may refer to:
- Flow measurement, a quantification of bulk fluid movement
- Mass flow rate (ṁ or μ), the mass of a substance which passes per unit of time
- Volumetric flow rate (Q or ), the volume of fluid which passes per unit time
- Discharge (hydrology) (Q), volume rate of water flow that is transported through a given cross-sectional area, such as a river