Convert US gallons per second to UK gallons per day
Convert US gallons per second (gal/s) to UK gallons per day (gpd) instantly and accurately.
Conversion Formula
gpd = gal/s × 71943.04955
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 UK gallons per day
The UK gallon per day (gpd) equals 4.54609×10⁻³/86400 ≈ 5.261×10⁻⁸ m³/s, used in British per-capita water-consumption statistics and pre-metric water-authority regulation. Historic UK Water Acts set minimum supply standards in UK gal/d per household; older UK borehole pump test reports quote sustained yield in UK gal/d. 1 UK gpd ≈ 5.261×10⁻⁸ m³/s.
Quick Reference Table
| US gallons per second (gal/s) | UK gallons per day (gpd) |
|---|---|
| 1 gal/s | 71943 gpd |
| 2 gal/s | 143886 gpd |
| 5 gal/s | 359715 gpd |
| 10 gal/s | 719430 gpd |
| 25 gal/s | 1798580 gpd |
| 50 gal/s | 3597150 gpd |
| 100 gal/s | 7194300 gpd |