US gallon to US barrel oil Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert US gallons [US.liq.gal.] to US barrels oil [US.bbl.] or US barrels oil [US.bbl.] to US gallons [US.liq.gal.]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert US gallons to US barrels oil
There are two simple ways to convert US gallons [US.liq.gal.] to US barrels oil [US.bbl.]. In the first calculation method, the value in US gallons [US.liq.gal.] is divided by 42. The second method multiplies the value in US gallons [US.liq.gal.] by the rounded conversion factor of 0.0238.
- US barrels oil [US.bbl.] = US gallons [US.liq.gal.] ÷ 42
- US barrels oil [US.bbl.] ≈ US gallons [US.liq.gal.] * 0.0238
The calculation method with a rounded conversion value is more suitable for rough conversions from US gallons [US.liq.gal.] to US barrels oil [US.bbl.], as the calculation result may contain rounding errors. Therefore, the variant with the exact conversion factor is more suitable.
Convert US barrels oil to US gallons
Converting US barrels oil [US.bbl.] to US gallons [US.liq.gal.] is easy and can be done in two ways. The first method involves multiplication, whereby the value in US barrels oil [US.bbl.] is multiplied by 42. The second variant is a division. Here, the value in US barrels oil [US.bbl.] is divided by the rounded conversion factor of 0.0238.
- US gallons [US.liq.gal.] = US barrels oil [US.bbl.] * 42
- US gallons [US.liq.gal.] ≈ US barrels oil [US.bbl.] ÷ 0.0238
The rounded conversion value can cause rounding errors, resulting in inaccurate calculation results. To ensure that the conversion from US barrels oil [US.bbl.] to US gallons [US.liq.gal.] produces the most accurate calculation result possible, the conversion should be performed using the exact conversion factor.
Converter
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To all available units
US gallons
US bushels
US gallons
US cups
US gallons
Dry pints
US gallons
Dry quarts
US gallons
US fluid drams
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