Convert Cubic metres per second to UK gallons per day

Convert Cubic metres per second (m³/s) to UK gallons per day (gpd) instantly and accurately.

Cubic metres per second (m³/s)
UK gallons per day (gpd)

Conversion Formula

gpd = m³/s × 19005343.05

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 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

Cubic metres per second (m³/s)UK gallons per day (gpd)
1 m³/s19005300 gpd
2 m³/s38010700 gpd
5 m³/s95026700 gpd
10 m³/s190053000 gpd
25 m³/s475134000 gpd
50 m³/s950267000 gpd
100 m³/s1.901 × 109 gpd

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