Convert UK gallons per day to Litres per hour

Convert UK gallons per day (gpd) to Litres per hour (L/h) instantly and accurately.

UK gallons per day (gpd)
Litres per hour (L/h)

Conversion Formula

L/h = gpd × 0.1894204167

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 Litres per hour

The litre per hour (L/h) equals 10⁻³/3600 ≈ 2.778×10⁻⁷ m³/s, widely used in automotive fuel consumption (L/h), irrigation drip systems, and small pump specifications. A fuel cell vehicle running on hydrogen consumes ±2 L/h of liquid equivalent; a domestic water softener regeneration cycle uses 40-100 L/h of brine. 1 L/h ≈ 2.778×10⁻⁷ m³/s ≈ 0.2642 US gal/h.

Quick Reference Table

UK gallons per day (gpd)Litres per hour (L/h)
1 gpd0.18942 L/h
2 gpd0.378841 L/h
5 gpd0.947102 L/h
10 gpd1.8942 L/h
25 gpd4.73551 L/h
50 gpd9.47102 L/h
100 gpd18.942 L/h

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