Convert US quarts per second to UK gallons per second
Convert US quarts per second (qt/s) to UK gallons per second (gal/s) instantly and accurately.
Conversion Formula
gal/s = qt/s × 0.2081685462
About US quarts per second
The US quart per second (qt/s) equals 3.785411784×10⁻³/4 ≈ 9.464×10⁻⁴ m³/s, used in US industrial filling lines handling quart-size containers (motor oil, paint, sauce). A high-speed filling machine loading 1 qt bottles at 4 per second processes 4 qt/s per nozzle. 1 US qt/s ≈ 9.464×10⁻⁴ m³/s = 0.9464 L/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 second (qt/s) | UK gallons per second (gal/s) |
|---|---|
| 1 qt/s | 0.208169 gal/s |
| 2 qt/s | 0.416337 gal/s |
| 5 qt/s | 1.04084 gal/s |
| 10 qt/s | 2.08169 gal/s |
| 25 qt/s | 5.20421 gal/s |
| 50 qt/s | 10.4084 gal/s |
| 100 qt/s | 20.8169 gal/s |