Convert UK gallons per hour to US quarts per hour
Convert UK gallons per hour (gph) to US quarts per hour (qt/h) instantly and accurately.
Conversion Formula
qt/h = gph × 4.803799702
About UK gallons per hour
The UK gallon per hour (gph) equals 4.54609×10⁻³/3600 ≈ 1.263×10⁻⁶ m³/s, found in pre-metric British burner-nozzle ratings, oil-consumption logs for diesel generators, and ship fuel-economy records. British aviation fuel consumption was once published in UK gal/h; legacy Lloyd's Register tanker descriptions used UK gal/h for cargo pump capacities. 1 UK gph ≈ 1.263×10⁻⁶ 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 hour (gph) | US quarts per hour (qt/h) |
|---|---|
| 1 gph | 4.8038 qt/h |
| 2 gph | 9.6076 qt/h |
| 5 gph | 24.019 qt/h |
| 10 gph | 48.038 qt/h |
| 25 gph | 120.095 qt/h |
| 50 gph | 240.19 qt/h |
| 100 gph | 480.38 qt/h |