Convert UK gallons per minute to US quarts per minute
Convert UK gallons per minute (gpm) to US quarts per minute (qt/min) instantly and accurately.
Conversion Formula
qt/min = gpm × 4.803799702
About UK gallons per minute
The UK (imperial) gallon per minute (gpm) equals 4.54609×10⁻³/60 ≈ 7.577×10⁻⁵ m³/s, historically used in British plumbing design, pump curves, and water-treatment plant sizing. Pre-metric UK water-industry capacity tables and pump manufacturers quoted flows in UK gal/min; legacy British Standard BS EN pump curves often show both units. 1 UK gpm ≈ 7.577×10⁻⁵ m³/s ≈ 4.546 L/min.
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.
Quick Reference Table
| UK gallons per minute (gpm) | US quarts per minute (qt/min) |
|---|---|
| 1 gpm | 4.8038 qt/min |
| 2 gpm | 9.6076 qt/min |
| 5 gpm | 24.019 qt/min |
| 10 gpm | 48.038 qt/min |
| 25 gpm | 120.095 qt/min |
| 50 gpm | 240.19 qt/min |
| 100 gpm | 480.38 qt/min |