Conversion
Us Gallons to oil barrels
1 US gal = 0.0238095 bbl, derived from exact unit definitions.
—
Swap ⇆| US gal | bbl |
|---|---|
| 42 US gal | 1.0000 bbl |
| 100 US gal | 2.3810 bbl |
| 275 US gal | 6.5476 bbl |
| 500 US gal | 11.9048 bbl |
| 1,000 US gal | 23.8095 bbl |
| 5,000 US gal | 119.0476 bbl |
Formula
oil barrels = US gallons × 0.02380952381FAQ
How many oil barrels in a US gallon?
1 US gal = 0.0238095 bbl. Multiply your US gallons value by 0.0238095.
Is this exact?
Yes — these factors derive from exact definitions: 1 US gallon = 231 cubic inches, 1 imperial gallon = 4.54609 liters, 1 inch = 2.54 cm, 1 barrel = 42 US gallons.
Why do tank specs mix US gallons and oil barrels?
US tank trade uses gallons and inches; engineering drawings and international suppliers use metric or cubic measures. This page bridges them without rounding drift.