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| A '''cubic metre per second''' ('''m<sup>3</sup>⋅s<sup>−1</sup>''', '''m<sup>3</sup>/s''', '''cumecs''' or '''cubic meter per second''' in ]) is a derived ] unit of ] equal to that of a ] or ] with sides of one ] (~39.37 ]) in ] exchanged or moving each ]. It is popularly used for water flow, especially in ]s and ]s, and fractions for ] values measuring air flow. | A '''cubic metre per second''' ('''m<sup>3</sup>⋅s<sup>−1</sup>''', '''m<sup>3</sup>/s''', '''cumecs''' or '''cubic meter per second''' in ]) is a derived ] unit of ] equal to that of a ] or ] with sides of one ] (~39.37 ]) in ] exchanged or moving each ]. It is popularly used for water flow, especially in ]s and ]s, and fractions for ] values measuring air flow. | ||
| The term '''cumec''' is also used, as shorthand for "]"<ref name="Row" /> (''cms'') or <i>m<sup>3</sup>/s</i> ''(m<sup href="Misplaced Pages:Citing sources">3</sup>s<sup href="Misplaced Pages:Verifiability">−1</sup>''). Continuing the informal usage, the plural form <i>cumecs</i> is also common in speech. It is commonly used between workers in the measurement of water flow through natural streams and civil works, but rarely used in writing. Data in units of cumec are used along the ] or vertical axis of a flow ], which describes the time variation of discharge of a ] (the ] velocity multiplied by cross-sectional area). A moderately sized river discharges in the order of 100 cumecs.<h2> References </h2>{{Reflist|refs = <ref name="Row"> | |||
| "Units: C", The University of North Carolina at Chapel Hill, webpage: | |||
| . | |||
| </ref>}} | |||
| ==Conversions== | ==Conversions== | ||
| 1 cubic metre per second is the same as: | 1 cubic metre per second is the same as: | ||
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| * ] | * ] | ||
| * ] | * ] | ||
| * ], shorthand for cubic feet per second | |||
| {{DEFAULTSORT:Cubic Metre Per Second}} | {{DEFAULTSORT:Cubic Metre Per Second}} | ||
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A cubic metre per second (m⋅s, m/s, cumecs or cubic meter per second in American English) is a derived SI unit of volumetric flow rate equal to that of a stere or cube with sides of one metre (~39.37 in) in length exchanged or moving each second. It is popularly used for water flow, especially in rivers and streams, and fractions for HVAC values measuring air flow.
Conversions
1 cubic metre per second is the same as:
- 1,000 litres per second
- 60,000 Standard Litres Per Minute
- ca 157 1⁄2 cubic fathoms per second
- 264.172051 US gallons per second
- 35.314454 cubic feet per second
- ca 1.305 cubic yards per second
- 86.4 ML/day megalitres per day
- 25,566.497 acre-feet per year
- 31,536,000 cubic metres per year
- 1,113,676,621 cubic feet per year
- 0.00757090916 cubic miles per year
See also
- 1 E-1 m³ for a comparison with other volumes
- Conversion of units
- Cubic mile
- Orders of magnitude (volume)
- Volumetric flow rate
- Volumetric flux