Convert US quarts per hour to UK gallons per second
Convert US quarts per hour (qt/h) to UK gallons per second (gal/s) instantly and accurately.
Conversion Formula
gal/s = qt/h × 5.782459615e-5
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.
About UK gallons per second
The UK (imperial) gallon per second (gal/s) equals 4.54609×10⁻³ m³/s, about 20% larger than the US gallon per second. It appears in pre-metric British fire-fighting standards, large pump test certificates, and naval engineering calculations. A UK fire engine pump rated 1 000 UK gal/min delivers ≈16.67 UK gal/s. 1 UK gal/s = 4.54609×10⁻³ m³/s ≈ 1.201 US gal/s.
Quick Reference Table
| US quarts per hour (qt/h) | UK gallons per second (gal/s) |
|---|---|
| 1 qt/h | 5.782 × 10-5 gal/s |
| 2 qt/h | 0.000115649 gal/s |
| 5 qt/h | 0.000289123 gal/s |
| 10 qt/h | 0.000578246 gal/s |
| 25 qt/h | 0.00144561 gal/s |
| 50 qt/h | 0.00289123 gal/s |
| 100 qt/h | 0.00578246 gal/s |