Oil barrels to US gallons

Type a value in oil barrels to see it in US gallons straight away, or type in the second box to convert back.

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How to use it

  1. Type the value in the oil barrels box.
  2. Read the result in US gallons as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

gal (US) = bbl × 42

Multiply the value in oil barrels by 42 to get US gallons.

Example

To convert 25 bbl to US gallons: 25 × 42 = 1,050 gal (US).

Conversion table

Oil barrels (bbl)US gallons (gal (US))
142
284
3126
5210
10420
20840
251,050
502,100
1004,200
25010,500
50021,000
1,00042,000

About the units

Oil barrel
The oil barrel equals 42 US gallons, exactly 158.987294928 liters, and is the unit crude oil is priced in.
US gallon
The US liquid gallon is defined as 231 cubic inches, exactly 3.785411784 liters.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many US gallons are in one oil barrel?

1 bbl = 42 gal (US) exactly.

How do I convert oil barrels to US gallons?

Use gal (US) = bbl × 42. For example, 25 bbl = 1,050 gal (US).

How many oil barrels are in one US gallon?

1 gal (US) = 0.0238095 bbl.

What is the difference between a US gallon and an imperial gallon?

A US gallon is 3.785411784 liters and the imperial gallon used in the UK is 4.54609 liters, about 20% larger. Check where a figure comes from before converting, since US sources mean the US gallon.

How many milliliters are in a cup?

The US customary cup used in recipes is 236.5882365 mL and the metric cup is 250 mL. US nutrition labels round the cup to 240 mL, so the figure differs slightly between sources.