Convert UK gallons to barrels

1 gal (UK)=0.02859bbl

Use the converter below to change any UK gallons value into barrels instantly — with formula, conversion table, and real-world examples.

You have

Equals

0.028594

Conversion formula

Forward

barrels = UK gallons × 0.02859

Reverse

UK gallons = barrels × 34.9723

Example: 10 gal (UK) × 0.02859 = 0.2859 bbl.

About both units

From

UK Gallon

gal (UK)

The UK imperial gallon equals 4.54609 litres exactly. Defined in 1824 as the volume of 10 pounds of water at 62 °F. Still used for fuel economy reporting in the UK and some older industrial contexts. The UK imperial gallon is about 20% larger than the US gallon.

Real-world: UK petrol sold by litre since 1995, but economy is quoted in UK mpg: a diesel car at 60 mpg (UK) uses 4.7 L/100 km.

Read full uk gallon reference →

Barrel

bbl

The oil barrel equals 158.987 litres or 42 US gallons. It is the global pricing unit for crude oil and petroleum products. The US dry barrel (115.6 L) and UK beer barrel (163.7 L) are different units that share the same name.

Real-world: Brent crude and WTI oil are priced in US dollars per barrel. Global oil demand is about 100 million barrels per day.

Read full barrel reference →

UK Gallon to Barrel conversion table

Common UK gallons to barrels values for quick reference.

UK Gallon (gal (UK))	Barrel (bbl)
1 gal (UK)	0.02859 bbl
2 gal (UK)	0.05719 bbl
5 gal (UK)	0.143 bbl
10 gal (UK)	0.2859 bbl
20 gal (UK)	0.5719 bbl
50 gal (UK)	1.4297 bbl
100 gal (UK)	2.8594 bbl
200 gal (UK)	5.71881 bbl
500 gal (UK)	14.297 bbl
1,000 gal (UK)	28.594 bbl

Tips & common mistakes

Quick tips

1 UK gallon = 4.54609 L exactly = 160 UK fluid ounces.
1 UK gallon ≈ 1.201 US gallons.
UK mpg × 0.832 = US mpg (same car, different unit).

Avoid these

Comparing UK mpg with US mpg directly — UK figures are about 20% higher for the same car.
Using 4.5 L instead of 4.546 L for precise conversion.
Assuming modern UK car ads quote US gallons — they always use UK gallons.

Frequently asked questions

How many barrels in a uk gallon?

One uk gallon equals 0.02859 barrels.

How do I convert UK gallons to barrels?

Multiply the uk gallon value by 0.02859 to get the equivalent in barrels.

What is 100 UK gallons in barrels?

100 UK gallons equals 2.8594 barrels.

Is a uk gallon bigger than a barrel?

No. 1 uk gallon equals 0.02859 barrels, so one uk gallon is smaller.

How to convert UK gallons to barrels without a calculator?

Multiply by 0.03 for a quick estimate; use a calculator for precise results.

Related volume conversions

📊 See full comparison matrix →

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