Convert UK gallons per second to US quarts per hour

Convert UK gallons per second (gal/s) to US quarts per hour (qt/h) instantly and accurately.

UK gallons per second (gal/s)
US quarts per hour (qt/h)

Conversion Formula

qt/h = gal/s × 17293.67893

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.

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 second (gal/s)US quarts per hour (qt/h)
1 gal/s17293.7 qt/h
2 gal/s34587.4 qt/h
5 gal/s86468.4 qt/h
10 gal/s172937 qt/h
25 gal/s432342 qt/h
50 gal/s864684 qt/h
100 gal/s1729370 qt/h

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