Convert Cubic metres per second to US gallons per second
Convert Cubic metres per second (m³/s) to US gallons per second (gal/s) instantly and accurately.
Conversion Formula
gal/s = m³/s × 264.1720524
About Cubic metres per second
The cubic metre per second (m³/s) is the SI coherent unit of volumetric flow rate. It is used for large river discharges, turbine inlet flows, and major pipeline capacities. The Amazon River at its mouth averages ≈200 000 m³/s; a large hydroelectric turbine passes 400-800 m³/s; a major municipal water-main carries 5-20 m³/s. 1 m³/s = 1 000 L/s ≈ 15 850 US gal/min = 35.315 ft³/s.
About US gallons per second
The US gallon per second (gal/s) equals 3.785411784×10⁻³ m³/s, used for very large pump discharge rates and fire-suppression deluge systems. A large centrifugal fire pump rated 1 500 US gal/min delivers exactly 25 US gal/s; industrial cooling-tower makeup lines are sized in gal/s at peak demand. 1 US gal/s = 3.785411784×10⁻³ m³/s = 60 US gal/min ≈ 227.1 L/min.
Quick Reference Table
| Cubic metres per second (m³/s) | US gallons per second (gal/s) |
|---|---|
| 1 m³/s | 264.172 gal/s |
| 2 m³/s | 528.344 gal/s |
| 5 m³/s | 1320.86 gal/s |
| 10 m³/s | 2641.72 gal/s |
| 25 m³/s | 6604.3 gal/s |
| 50 m³/s | 13208.6 gal/s |
| 100 m³/s | 26417.2 gal/s |