1 Barrels to Gallons
1 bbl = 42 gal
1 oil barrel equals 42 US gallons.
How to convert 1 bbl to gal
Use the formula gal = bbl × 42:
gal = 1 × 42gal = 42
So 1 bbl = 42 gal.
Rounded values and quick estimate
- Rounded to a whole number: 42 gal
- Rounded to one decimal place: 42 gal
- Conversion factor: 1 oil barrel = 42 US gallons
This conversion is exact, so there is no need to estimate: just multiply by 42.
1 Barrels in other units
- US gallons
- 42 gal
- Milliliters
- 158987.29 ml
- Liters
- 158.99 L
- Teaspoons
- 32256 tsp
- Tablespoons
- 10752 tbsp
- US fluid ounces
- 5376 fl oz
- US cups
- 672 cups
- US pints
- 336 pt
- US quarts
- 168 qt
- Cubic centimeters
- 158987.29 cc
- Cubic inches
- 9702 cu in
- Cubic feet
- 5.61 cu ft
- Drops
- 3179745.9 drops
- UK gallons
- 34.97 UK gal
- Cubic meters
- 0.159 m³
- Cubic yards
- 0.2079 cu yd
1 bbl and nearby values
About oil barrels and us gallons
An oil barrel is exactly 42 US gallons (about 159 liters). It is the standard unit for crude oil.
A US gallon is 128 US fluid ounces, exactly 3.785411784 liters. (The UK imperial gallon is 4.546 liters.)
Related conversions
Frequently asked questions
What is 1 Barrels in Gallons?
1 oil barrel is 42 US gallons (1 bbl = 42 gal).
How do you convert 1 bbl to gal?
Apply gal = bbl × 42: gal = 1 × 42, gal = 42.
How many oil barrels is 42 gal?
42 gal is about 1 oil barrel.