Convert US barrels per hour to UK gallons per second

Convert US barrels per hour (bbl/h) to UK gallons per second (gal/s) instantly and accurately.

US barrels per hour (bbl/h)
UK gallons per second (gal/s)

Conversion Formula

gal/s = bbl/h × 0.009714532154

About US barrels per hour

The US barrel per hour (bbl/h) equals 0.158987294928/3600 ≈ 4.416×10⁻⁵ m³/s, standard in petroleum-refinery process engineering for crude-oil unit feed rates and product run-downs. Crude-distillation unit (CDU) feed is sized in bbl/h; a 100 000 bbl/d refinery processes ≈4 167 bbl/h. Process simulation software (Aspen HYSYS) uses bbl/h by default for petroleum streams. 1 bbl/h ≈ 4.416×10⁻⁵ 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

US barrels per hour (bbl/h)UK gallons per second (gal/s)
1 bbl/h0.00971453 gal/s
2 bbl/h0.0194291 gal/s
5 bbl/h0.0485727 gal/s
10 bbl/h0.0971453 gal/s
25 bbl/h0.242863 gal/s
50 bbl/h0.485727 gal/s
100 bbl/h0.971453 gal/s

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