US gallons to oil barrels

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

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

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

How it is calculated

bbl = gal (US) × 0.02380952381

Multiply the value in US gallons by 0.02380952381 to get oil barrels.

Example

To convert 25 gal (US) to oil barrels: 25 × 0.02380952381 = 0.595238 bbl.

Conversion table

US gallons (gal (US))Oil barrels (bbl)
10.0238095
20.047619
30.0714286
50.119048
100.238095
200.47619
250.595238
501.19048
1002.38095
2505.95238
50011.9048
1,00023.8095

About the units

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

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 oil barrels are in one US gallon?

1 gal (US) = 0.0238095 bbl exactly.

How do I convert US gallons to oil barrels?

Use bbl = gal (US) × 0.02380952381. For example, 25 gal (US) = 0.595238 bbl.

How many US gallons are in one oil barrel?

1 bbl = 42 gal (US).

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.