Convert UK gallons per day to Cubic metres per day

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

UK gallons per day (gpd)
Cubic metres per day (m³/d)

Conversion Formula

m³/d = gpd × 0.00454609

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.

About Cubic metres per day

The cubic metre per day (m³/d) equals 1/86400 ≈ 1.157×10⁻⁵ m³/s, standard in water-resource management, desalination-plant capacity, and per-capita water-consumption accounting. A municipal desalination plant may produce 100 000-1 000 000 m³/d; the WHO minimum water supply requirement is 0.05 m³/d per person. 1 m³/d ≈ 1.157×10⁻⁵ m³/s = 264.2 US gal/d.

Quick Reference Table

UK gallons per day (gpd)Cubic metres per day (m³/d)
1 gpd0.00454609 m³/d
2 gpd0.00909218 m³/d
5 gpd0.0227304 m³/d
10 gpd0.0454609 m³/d
25 gpd0.113652 m³/d
50 gpd0.227304 m³/d
100 gpd0.454609 m³/d

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