How to convert barrels to US gallons
gal = bbl × 42Multiply the value in barrels by 42. To go the other way, multiply by 0.02380952381 (or divide by 42).
A barrel is larger than an US gallon: one barrel contains 42 US gallons.
Worked examples
- 1 barrel (oil)1 bbl × 42 = 42 gal
- 5 barrels (oil)5 bbl × 42 = 210 gal
- 10 barrels (oil)10 bbl × 42 = 420 gal
- 20 barrels (oil)20 bbl × 42 = 840 gal
- 100 barrels (oil)100 bbl × 42 = 4,200 gal
Barrels to US gallons conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Barrels (bbl) | US gallons (gal) |
|---|---|
| 0.1 bbl | 4.2 gal |
| 0.25 bbl | 10.5 gal |
| 0.5 bbl | 21 gal |
| 1 bbl | 42 gal |
| 2 bbl | 84 gal |
| 3 bbl | 126 gal |
| 4 bbl | 168 gal |
| 5 bbl | 210 gal |
| 6 bbl | 252 gal |
| 7 bbl | 294 gal |
| 8 bbl | 336 gal |
| 9 bbl | 378 gal |
| 10 bbl | 420 gal |
| Barrels (bbl) | US gallons (gal) |
|---|---|
| 12 bbl | 504 gal |
| 15 bbl | 630 gal |
| 20 bbl | 840 gal |
| 25 bbl | 1,050 gal |
| 30 bbl | 1,260 gal |
| 40 bbl | 1,680 gal |
| 50 bbl | 2,100 gal |
| 75 bbl | 3,150 gal |
| 100 bbl | 4,200 gal |
| 250 bbl | 10,500 gal |
| 500 bbl | 21,000 gal |
| 1,000 bbl | 42,000 gal |
About the units
Barrel (bbl)
42 US gallons (158.987294928 L), the standard unit for crude oil. One barrel equals 0.1589872949 cubic meters (m³).
US gallon (gal)
Defined as 231 cubic inches, exactly 3.785411784 L. US fuel, milk and paint are sold by the gallon. Four quarts or 128 US fluid ounces. One US gallon equals 0.003785411784 cubic meters (m³).
Frequently asked questions
How many US gallons are in one barrel?
There are 42 US gallons in one barrel, and this value is exact by definition.
How do I convert barrels to US gallons?
Multiply the number of barrels by 42. For example, 10 bbl × 42 = 420 gal.
How many barrels are in one US gallon?
One US gallon equals 0.02380952381 barrels. That is the reverse factor, 1 ÷ 42.
What is 10 barrels (oil) in US gallons?
10 bbl = 420 gal.
Is this bbl to gal converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.
Convert barrels to other units
- Barrels to liters
- Barrels to milliliters
- Barrels to cubic meters
- Barrels to cubic centimeters
- Barrels to cubic feet
- Barrels to cubic inches
- Barrels to cubic yards
- Barrels to imperial gallons
Convert other units to US gallons
- Liters to US gallons
- Milliliters to US gallons
- US quarts to US gallons
- US cups to US gallons
- US fluid ounces to US gallons
- US tablespoons to US gallons
- US teaspoons to US gallons
- US pints to US gallons
- Metric cups to US gallons
- Imperial gallons to US gallons
- Imperial pints to US gallons
- Cubic meters to US gallons
- Cubic centimeters to US gallons
- Cubic feet to US gallons
- Cubic inches to US gallons
- Cubic yards to US gallons