cubic metre per second
SI coherent derived unit
| Name | Symbol | Derived quantity | ||
| cubic metre per second | m3 s−1 | volumetric flow rate |  |
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DefinitionThe cubic metre per second, symbol m3 s−1, is the SI coherent derived unit of volumetric flow rate. |
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The cubic metre per second’s uses include the measurement of water flow, such as river discharge rates, and air flow rates in ventilation systems.
Examples of volumetric flow rate
| River | Discharge rate / m3 s−1 |
| Amazon | 209 000 |
| Mississippi | 16 790 |
| River Nile | 2830 |
| Thames | 65.8 |
Metric System 