A cubic metre per second (m3·s−1, m3/s, cumecs or cubic meter per second in American English) is a derived SI unit of flow rate equal to that of a 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
- 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
- 25,566.497 acre feet per year
- 31,536,000 cubic metres per year
- 1,113,676,621 cubic feet per year
- 0.007565843 cubic miles per year
See also
- 1 E-1 m³ for a comparison with other volumes
- Cubic mile
- Orders of magnitude (volume)
- Conversion of units
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