Convert UK gallons per second to US gallons per second
Convert UK gallons per second (gal/s) to US gallons per second (gal/s) instantly and accurately.
Conversion Formula
gal/s = gal/s × 1.200949926
About UK gallons per second
The UK (imperial) gallon per second (gal/s) equals 4.54609×10⁻³ m³/s, about 20% larger than the US gallon per second. It appears in pre-metric British fire-fighting standards, large pump test certificates, and naval engineering calculations. A UK fire engine pump rated 1 000 UK gal/min delivers ≈16.67 UK gal/s. 1 UK gal/s = 4.54609×10⁻³ m³/s ≈ 1.201 US gal/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
| UK gallons per second (gal/s) | US gallons per second (gal/s) |
|---|---|
| 1 gal/s | 1.20095 gal/s |
| 2 gal/s | 2.4019 gal/s |
| 5 gal/s | 6.00475 gal/s |
| 10 gal/s | 12.0095 gal/s |
| 25 gal/s | 30.0237 gal/s |
| 50 gal/s | 60.0475 gal/s |
| 100 gal/s | 120.095 gal/s |