Barrels to Gallons Converter

How to Convert Barrels to Gallons

The conversion from barrels (bbl) to gallons (gal) is based on the standard US oil barrel.

For more information about barrels as a unit of measurement, visit our barrels page.

Formula

Gallons = Barrels × 42

or

gal = bbl × 42

Step-by-step process

1. Take the measurement in barrels
2. Multiply that number by 42
3. The result is the equivalent volume in US gallons.

Examples

• 1 bbl = 1 × 42 = 42 gal
• 10 bbl = 10 × 42 = 420 gal
• 25 bbl = 25 × 42 = 1,050 gal