Convert UK gallons per minute to UK gallons per hour

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

UK gallons per minute (gpm)
UK gallons per hour (gph)

Conversion Formula

gph = gpm × 60

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 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

UK gallons per minute (gpm)UK gallons per hour (gph)
1 gpm60 gph
2 gpm120 gph
5 gpm300 gph
10 gpm600 gph
25 gpm1500 gph
50 gpm3000 gph
100 gpm6000 gph

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