Convert UK gallons per day to US quarts per hour
Convert UK gallons per day (gpd) to US quarts per hour (qt/h) instantly and accurately.
Conversion Formula
qt/h = gpd × 0.2001583209
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 US quarts per hour
The US quart per hour (qt/h) equals 3.785411784×10⁻³/4/3600 ≈ 2.629×10⁻⁷ m³/s, used in US agricultural irrigation drippers (emitters rated in qt/h) and hobby aquaculture systems. A drip emitter rated 1 qt/h ≈ 0.946 L/h is a common size for garden irrigation in the US market. 1 US qt/h ≈ 2.629×10⁻⁷ m³/s.
Quick Reference Table
| UK gallons per day (gpd) | US quarts per hour (qt/h) |
|---|---|
| 1 gpd | 0.200158 qt/h |
| 2 gpd | 0.400317 qt/h |
| 5 gpd | 1.00079 qt/h |
| 10 gpd | 2.00158 qt/h |
| 25 gpd | 5.00396 qt/h |
| 50 gpd | 10.0079 qt/h |
| 100 gpd | 20.0158 qt/h |