Convert UK gallons per hour to US gallons per hour

Convert UK gallons per hour (gph) to US gallons per hour (gph) instantly and accurately.

UK gallons per hour (gph)
US gallons per hour (gph)

Conversion Formula

gph = gph × 1.200949926

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.

About US gallons per hour

The US gallon per hour (gph) equals 3.785411784×10⁻³/3600 ≈ 1.051×10⁻⁶ m³/s, common in oil-burner nozzle ratings, water-softener regeneration, and RV/marine-plumbing specifications. Residential oil-burner nozzles are rated in gph (e.g., 0.75 gph, 1.00 gph); a small boat bilge pump might handle 200-500 gph. 1 US gph ≈ 1.052×10⁻⁶ m³/s ≈ 3.785 L/h.

Quick Reference Table

UK gallons per hour (gph)US gallons per hour (gph)
1 gph1.20095 gph
2 gph2.4019 gph
5 gph6.00475 gph
10 gph12.0095 gph
25 gph30.0237 gph
50 gph60.0475 gph
100 gph120.095 gph

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