Convert UK gallons per day to Cubic metres per hour
Convert UK gallons per day (gpd) to Cubic metres per hour (m³/h) instantly and accurately.
Conversion Formula
m³/h = gpd × 0.0001894204167
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 hour
The cubic metre per hour (m³/h) equals 1/3600 m³/s ≈ 2.778×10⁻⁴ m³/s, the dominant volumetric flow unit in European process engineering, HVAC, and water treatment. Pump datasheet curves, heat-exchanger sizing software, and wastewater-treatment design all use m³/h as the standard. A domestic water pump runs at 3-8 m³/h; a municipal WWTP inlet pump handles 500-5 000 m³/h. 1 m³/h ≈ 2.778×10⁻⁴ m³/s = 1 000 L/h.
Quick Reference Table
| UK gallons per day (gpd) | Cubic metres per hour (m³/h) |
|---|---|
| 1 gpd | 0.00018942 m³/h |
| 2 gpd | 0.000378841 m³/h |
| 5 gpd | 0.000947102 m³/h |
| 10 gpd | 0.0018942 m³/h |
| 25 gpd | 0.00473551 m³/h |
| 50 gpd | 0.00947102 m³/h |
| 100 gpd | 0.018942 m³/h |