Convert UK gallons per minute to US barrels per second

Convert UK gallons per minute (gpm) to US barrels per second (bbl/s) instantly and accurately.

UK gallons per minute (gpm)
US barrels per second (bbl/s)

Conversion Formula

bbl/s = gpm × 0.0004765674308

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 barrels per second

The US barrel per second (bbl/s) equals 0.158987294928 m³/s, an extremely large flow rate used only for catastrophic spill-rate estimates and very large pipeline surge calculations. The 2010 Deepwater Horizon spill peaked at ≈60 000 bbl/d ≈ 0.000694 bbl/s; major subsea pipeline ruptures may briefly exceed 1 bbl/s during decompression. 1 US bbl/s = 0.158987 m³/s ≈ 158.987 L/s.

Quick Reference Table

UK gallons per minute (gpm)US barrels per second (bbl/s)
1 gpm0.000476567 bbl/s
2 gpm0.000953135 bbl/s
5 gpm0.00238284 bbl/s
10 gpm0.00476567 bbl/s
25 gpm0.0119142 bbl/s
50 gpm0.0238284 bbl/s
100 gpm0.0476567 bbl/s

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