Convert UK gallons per hour to Cubic inches per second

Convert UK gallons per hour (gph) to Cubic inches per second (in³/s) instantly and accurately.

UK gallons per hour (gph)
Cubic inches per second (in³/s)

Conversion Formula

in³/s = gph × 0.07706095355

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 Cubic inches per second

The cubic inch per second (in³/s) equals 1.6387064×10⁻⁵ m³/s, used in US automotive engineering for engine displacement sweep rate, fuel-injector calibration, and hydraulic actuator speed specifications. An engine injector delivering 15 in³/s of fuel corresponds to roughly 15.5 mL/s; hydraulic jacks in US equipment are rated in in³/s at operating pressure. 1 in³/s ≈ 1.639×10⁻⁵ m³/s = 0.016387 L/s.

Quick Reference Table

UK gallons per hour (gph)Cubic inches per second (in³/s)
1 gph0.077061 in³/s
2 gph0.154122 in³/s
5 gph0.385305 in³/s
10 gph0.77061 in³/s
25 gph1.92652 in³/s
50 gph3.85305 in³/s
100 gph7.7061 in³/s

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