Convert US quarts per minute to UK gallons per hour

Convert US quarts per minute (qt/min) to UK gallons per hour (gph) instantly and accurately.

US quarts per minute (qt/min)
UK gallons per hour (gph)

Conversion Formula

gph = qt/min × 12.49011277

About US quarts per minute

The US quart per minute (qt/min) equals 3.785411784×10⁻³/4/60 ≈ 1.577×10⁻⁵ m³/s, encountered in US small-engine fuel system testing and food-processing pump calibration. Engine dynamometer fuel-flow instrumentation sometimes uses qt/min when testing small gasoline engines consuming 1-6 qt/min at full load. 1 US qt/min ≈ 1.577×10⁻⁵ m³/s.

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.

Quick Reference Table

US quarts per minute (qt/min)UK gallons per hour (gph)
1 qt/min12.4901 gph
2 qt/min24.9802 gph
5 qt/min62.4506 gph
10 qt/min124.901 gph
25 qt/min312.253 gph
50 qt/min624.506 gph
100 qt/min1249.01 gph

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