Convert US gallons to barrels

1 gal (US)=0.02381bbl

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

You have

Equals

0.02381

Conversion formula

Forward

barrels = US gallons × 0.02381

Reverse

US gallons = barrels × 42

Example: 10 gal (US) × 0.02381 = 0.2381 bbl.

About both units

From

US Gallon

gal (US)

The US gallon equals 3.785411784 litres exactly. It is the standard fuel and liquid volume unit in the United States. A typical American car holds 14–18 US gallons of fuel. US fuel economy is quoted in miles per US gallon (mpg).

Real-world: US car tank ≈ 15 gallons (57 L). 1 US gallon of milk is a common grocery size (3.79 L). US paint often sold by the gallon.

Read full us 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 →

US Gallon to Barrel conversion table

Common US gallons to barrels values for quick reference.

US Gallon (gal (US))	Barrel (bbl)
1 gal (US)	0.02381 bbl
2 gal (US)	0.04762 bbl
5 gal (US)	0.119 bbl
10 gal (US)	0.2381 bbl
20 gal (US)	0.4762 bbl
50 gal (US)	1.19048 bbl
100 gal (US)	2.38095 bbl
200 gal (US)	4.7619 bbl
500 gal (US)	11.9048 bbl
1,000 gal (US)	23.8095 bbl

Tips & common mistakes

Quick tips

1 US gallon = 3.785 L = 128 US fluid ounces = 4 quarts.
Converting mpg (US) to L/100 km: 235.215 / mpg = L/100 km.
The US gallon is based on the old English Queen Anne wine gallon (1707).

Avoid these

Using UK gallons on a US fuel-economy figure — 30 mpg (US) = 36 mpg (UK).
Confusing US gallon (3.79 L) with UK gallon (4.55 L) — 20% difference.
Using "gallon" without qualifier in cross-Atlantic commerce.

Frequently asked questions

How many barrels in a us gallon?

One us gallon equals 0.02381 barrels.

How do I convert US gallons to barrels?

Multiply the us gallon value by 0.02381 to get the equivalent in barrels.

What is 100 US gallons in barrels?

100 US gallons equals 2.38095 barrels.

Is a us gallon bigger than a barrel?

No. 1 us gallon equals 0.02381 barrels, so one us gallon is smaller.

How to convert US gallons to barrels without a calculator?

Multiply by 0.02 for a quick estimate; use a calculator for precise results.

Related volume conversions

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