Barrel (Oil) to Gallon (UK) Converter
Convert Barrel (Oil) (bbl) to Gallon (UK) (gal (UK)) instantly. 1 bbl = 34.972316 gal (UK).
Volume Converter
40 units available
1 bbl = 34.972316 gal (UK)
Formula:
gal (UK) = bbl × 34.9723157544With your value: 1 bbl = 34.97231575 gal (UK)
How big is that?
Everyday references on a logarithmic scale, all expressed in barrel (oil) so you can sanity-check the result.
Other Barrel (Oil) to Gallon (UK) conversions
Barrel (Oil) to Gallon (UK) Conversion Table
| Barrel (Oil) (bbl) | Gallon (UK) (gal (UK)) |
|---|---|
| 0.5 | 17.486158 |
| 1 | 34.972316 |
| 2 | 69.944632 |
| 5 | 174.861579 |
| 10 | 349.723158 |
| 15 | 524.584736 |
| 20 | 699.446315 |
| 25 | 874.307894 |
| 50 | 1,748.615788 |
| 100 | 3,497.231575 |
| 250 | 8,743.078939 |
| 500 | 17,486.157877 |
| 1000 | 34,972.315754 |
Gallon (UK) to Barrel (Oil) Conversion Table
| Gallon (UK) (gal (UK)) | Barrel (Oil) (bbl) |
|---|---|
| 0.5 | 0.014297 |
| 1 | 0.028594 |
| 2 | 0.057188 |
| 5 | 0.14297 |
| 10 | 0.28594 |
| 15 | 0.428911 |
| 20 | 0.571881 |
| 25 | 0.714851 |
| 50 | 1.429702 |
| 100 | 2.859405 |
| 250 | 7.148511 |
| 500 | 14.297023 |
| 1000 | 28.594046 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Barrel (Oil) (bbl)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Gallon (UK) (gal (UK))
Volume
The imperial gallon is exactly 4.546 09 L (Weights and Measures Act 1985).
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Barrel (Oil) to Gallon (UK)
To convert from Barrel (Oil) (bbl) to Gallon (UK) (gal (UK)), multiply the value by 34.9723157544.
Formula: gal (UK) = bbl × 34.9723157544
Reverse: bbl = gal (UK) × 0.0285940458
Step-by-Step Example
- Start with your value in Barrel (Oil). For example: 5 bbl
- Multiply by the conversion factor: 5 x 34.9723157544
- The result is: 174.861579 gal (UK)
About Barrel (Oil)
The oil barrel equals 42 US gallons (about 158.987 litres) and is the global pricing unit for crude petroleum.
Fun Fact: The 42-gallon standard dates to the 1860s Pennsylvania oil rush.
Common uses: crude oil pricing, energy statistics.
About Gallon (UK)
The imperial gallon equals exactly 4.54609 litres, about 20% larger than the US gallon — a frequent source of fuel-economy confusion.
Common uses: UK fuel figures, brewing, older recipes.
Frequently Asked Questions
How many Gallon (UK) are in 1 Barrel (Oil)?
There are exactly 34.9723157544 Gallon (UK) in 1 Barrel (Oil). This means the conversion factor from Barrel (Oil) to Gallon (UK) is 34.9723157544.
What is the formula to convert Barrel (Oil) to Gallon (UK)?
The formula to convert Barrel (Oil) to Gallon (UK) is: gal (UK) = bbl × 34.9723157544. For example, to convert 10 Barrel (Oil) to Gallon (UK), you would multiply 10 by 34.9723157544.
What is a Barrel (Oil)?
The oil barrel equals 42 US gallons (about 158.987 litres) and is the global pricing unit for crude petroleum.
What is a Gallon (UK)?
The imperial gallon equals exactly 4.54609 litres, about 20% larger than the US gallon — a frequent source of fuel-economy confusion.
What are the common uses of Barrel (Oil)?
The Barrel (Oil) is commonly used in crude oil pricing, energy statistics.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). Barrel (Oil) to Gallon (UK) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/barrel_oil-to-gallon_uk