Barrel (UK) to Gallon (US) Converter

Volume Converter

40 units available

Decimals:

From

To

43.234197

1 bbl (UK) = 43.234197 gal

Formula:

gal = bbl (UK) × 43.2341973182

With your value: 1 bbl (UK) = 43.23419732 gal

How big is that?

Everyday references on a logarithmic scale, all expressed in barrel (uk) so you can sanity-check the result.

Milk carton (1/1.6e+5 your value)0.00000611 bbl (UK)

Kitchen bucket (1/1.6e+4 your value)0.0000611 bbl (UK)

Car fuel tank (1/3.3e+3 your value)0.000306 bbl (UK)

Bathtub (1/8.2e+2 your value)0.00122 bbl (UK)

Hot tub (1/1.1e+2 your value)0.00917 bbl (UK)

Your value1.00 bbl (UK)

Other Barrel (UK) to Gallon (US) conversions

2 bbl (UK) to gal 3 bbl (UK) to gal 4 bbl (UK) to gal 5 bbl (UK) to gal 6 bbl (UK) to gal 7 bbl (UK) to gal 8 bbl (UK) to gal

Barrel (UK) to Gallon (US) Conversion Table

Barrel (UK) (bbl (UK))	Gallon (US) (gal)
0.5	21.617099
1	43.234197
2	86.468395
5	216.170987
10	432.341973
15	648.51296
20	864.683946
25	1,080.854933
50	2,161.709866
100	4,323.419732
250	10,808.54933
500	21,617.098659
1000	43,234.197318

Gallon (US) to Barrel (UK) Conversion Table

Gallon (US) (gal)	Barrel (UK) (bbl (UK))
0.5	0.011565
1	0.02313
2	0.04626
5	0.115649
10	0.231298
15	0.346948
20	0.462597
25	0.578246
50	1.156492
100	2.312984
250	5.78246
500	11.564919
1000	23.129838

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 (UK) (bbl (UK))

Volume

Exact conversion

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 (US) (gal)

Volume

Exact conversion

The US liquid gallon is exactly 231 cubic inches = 3.785 411 784 L.

Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Barrel (UK) to Gallon (US)

To convert from Barrel (UK) (bbl (UK)) to Gallon (US) (gal), multiply the value by 43.2341973182.

Formula: gal = bbl (UK) × 43.2341973182

Reverse: bbl (UK) = gal × 0.0231298385

Step-by-Step Example

Start with your value in Barrel (UK). For example: 5 bbl (UK)
Multiply by the conversion factor: 5 x 43.2341973182
The result is: 216.170987 gal

About Barrel (UK)

The barrel (uk) (bbl (UK)) is a unit of volume and capacity. One barrel (uk) equals 163.65924 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

About Gallon (US)

The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.

Fun Fact: The US gallon is about 20% smaller than the imperial (UK) gallon.

Common uses: fuel (US), beverages, swimming pools.

Frequently Asked Questions

How many Gallon (US) are in 1 Barrel (UK)?

There are exactly 43.2341973182 Gallon (US) in 1 Barrel (UK). This means the conversion factor from Barrel (UK) to Gallon (US) is 43.2341973182.

What is the formula to convert Barrel (UK) to Gallon (US)?

The formula to convert Barrel (UK) to Gallon (US) is: gal = bbl (UK) × 43.2341973182. For example, to convert 10 Barrel (UK) to Gallon (US), you would multiply 10 by 43.2341973182.

What is a Barrel (UK)?