Convert UK gallons per hour to UK gallons per second
Convert UK gallons per hour (gph) to UK gallons per second (gal/s) instantly and accurately.
Conversion Formula
gal/s = gph × 0.0002777777778
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 UK gallons per second
The UK (imperial) gallon per second (gal/s) equals 4.54609×10⁻³ m³/s, about 20% larger than the US gallon per second. It appears in pre-metric British fire-fighting standards, large pump test certificates, and naval engineering calculations. A UK fire engine pump rated 1 000 UK gal/min delivers ≈16.67 UK gal/s. 1 UK gal/s = 4.54609×10⁻³ m³/s ≈ 1.201 US gal/s.
Quick Reference Table
| UK gallons per hour (gph) | UK gallons per second (gal/s) |
|---|---|
| 1 gph | 0.000277778 gal/s |
| 2 gph | 0.000555556 gal/s |
| 5 gph | 0.00138889 gal/s |
| 10 gph | 0.00277778 gal/s |
| 25 gph | 0.00694444 gal/s |
| 50 gph | 0.0138889 gal/s |
| 100 gph | 0.0277778 gal/s |