How do I convert Imperial gallon (gal UK) to Barrel (oil, bbl)?

1 gal_uk equals 0.028594 bbl using SI-based conversion and precise factors.

What is the formula to convert Imperial gallon (gal UK) to Barrel (oil, bbl)?

This is a linear unit conversion using a constant factor between units.

How can I share a direct gal_uk to bbl result?

Use the shareable URL: https://measurecalc.com/convert/imperial-gallon-to-barrel

Convert Imperial gallon (gal UK) to Barrel (oil, bbl)

Q: Is Imperial gallon (gal UK) to Barrel (oil, bbl) conversion exact?

Yes, it uses exact definitions or standardized constants (e.g., 1 in = 25.4 mm).

Category: Volume

Value From To Precision

0.028594 bbl

1 gal_uk = 0.028594 bbl

High-precision rounding: 6 decimals

How to convert imperial gallon (gal uk) to barrel (oil, bbl)

Volume measures the space a substance occupies. SI uses cubic meters and liters; customary units like gallons, quarts, and pints persist in recipes, fuel, and containers. Accurate volume work often requires temperature and density considerations (e.g., for fuels).

This converter calculates Imperial gallon (gal UK) to Barrel (oil, bbl) values by using the correct conversion rule for the Volume category. For linear units, standardized factors are used. For temperature, the calculator applies the proper formula with offsets.

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Quick conversion table

Handy values for Imperial gallon (gal UK) to Barrel (oil, bbl). Click a value to open that exact result.

Imperial gallon (gal UK)	Barrel (oil, bbl)
1	0.028594
0.5	0.014297
2.5	0.071485
10	0.28594

Conversion formula

Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).

Common mistakes

Mixing US gallons (3.785 L) with Imperial gallons (4.546 L).
Assuming kitchen ‘cup’ equals the same volume in every country.

Unit facts

Imperial gallon (gal UK): The Imperial gallon is exactly 4.54609 L; still used in the UK for beer, milk, and fuel economy.
Barrel (oil, bbl): A petroleum barrel (bbl) is ≈158.9873 L; standard in the oil industry.

About Imperial gallon (gal UK)

Imperial gallon (UK)

Exactly 4.54609 L. Still appears in UK fuel economy (mpg) and historical tables.

History: Set by the 1824 Weights and Measures Act; differs notably from the US gallon.

About Barrel (oil, bbl)

Barrel (oil, bbl)

≈ 158.987 L. Benchmark unit in petroleum markets and production statistics.

History: Standardized by the oil industry; the blue 42-gallon barrel (US) became iconic in the early oil boom.

Frequently asked questions

How many Barrel (oil, bbl) are in one Imperial gallon (gal UK)?

1 Imperial gallon (gal UK) equals 0.028594 Barrel (oil, bbl).

Is Imperial gallon (gal UK) to Barrel (oil, bbl) conversion exact?

Many unit conversions are exact by definition, while others use standardized conversion constants.

What is the fastest way to convert Imperial gallon (gal UK) to Barrel (oil, bbl)?

Enter a value in Imperial gallon (gal UK), choose Barrel (oil, bbl) as the target unit, and the calculator will instantly return the result.

Convert Imperial gallon (gal UK) to other units

gal_uk → ft3 Cubic foot (ft³)
gal_uk → in3 Cubic inch (in³)
gal_uk → m3 Cubic meter (m³)
gal_uk → cup Cup (US)
gal_uk → l Liter (L)
gal_uk → ml Milliliter (mL)

Convert other units to Barrel (oil, bbl)

ft3 → bbl Cubic foot (ft³)
in3 → bbl Cubic inch (in³)
m3 → bbl Cubic meter (m³)
cup → bbl Cup (US)
l → bbl Liter (L)
ml → bbl Milliliter (mL)