Convert US gallons per second to US gallons per minute
Convert US gallons per second (gal/s) to US gallons per minute (gpm) instantly and accurately.
Conversion Formula
gpm = gal/s × 60
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.
About US gallons per minute
The US gallon per minute (gpm) equals 3.785411784×10⁻³/60 ≈ 6.309×10⁻⁵ m³/s, the dominant volumetric flow unit in US plumbing, HVAC, and water-treatment industries. EPA showerhead standards are set at 2.5 gpm; residential water meters size at 3/4"-1" for 5-20 gpm; municipal water-distribution design uses hundreds to thousands of gpm. 1 gpm ≈ 6.309×10⁻⁵ m³/s = 3.785 L/min.
Quick Reference Table
| US gallons per second (gal/s) | US gallons per minute (gpm) |
|---|---|
| 1 gal/s | 60 gpm |
| 2 gal/s | 120 gpm |
| 5 gal/s | 300 gpm |
| 10 gal/s | 600 gpm |
| 25 gal/s | 1500 gpm |
| 50 gal/s | 3000 gpm |
| 100 gal/s | 6000 gpm |