Gallon Barrel Converter
Accurate gallon and barrel converter supporting 5 barrel types: oil, beer, liquid, UK, and dry barrels. Displays liter equivalents alongside conversions.
Gallon ↔ Barrel Converter
| Gallon (gal) | Barrel (bbl) | Liter (L) |
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What is the Gallon Barrel Converter?
Gallon and Barrel are units for measuring liquid volume. This tool provides accurate conversions between various types of barrels (oil, beer, liquid, dry) and gallons (US, UK). It enables easy unit conversion essential for the petroleum industry, brewing, and international trade.
Key Features
- 5 Barrel Types Supported – Oil, US Beer, US Liquid, UK, and US Dry Barrel
- Bidirectional Conversion – Supports both Gallon → Barrel and Barrel → Gallon
- Liter Conversion – Shows liter values alongside conversion results
- Real-time Conversion – See results instantly as you type
- Conversion Table – Reference table for commonly used values
- Barrel Type Descriptions – Information on usage and characteristics of each barrel type
How to Use
- Select Conversion Direction – Choose either Gallon→Barrel or Barrel→Gallon tab.
- Select Barrel Type – Choose the appropriate barrel type from the dropdown.
- Enter Value – Input the value you want to convert.
- View Results – Check the conversion result and liter equivalent.
- Copy – Use the copy button to save the result if needed.
Barrel Type Details
1. Oil Barrel
The standard unit used in the international petroleum industry. 1 Oil Barrel = 42 US Gallons = approximately 159 liters. Used for crude oil pricing (dollars per barrel) and is the most widely known barrel unit.
2. US Beer Barrel
The standard unit used in the American brewing industry. 1 Beer Barrel = 31 US Gallons = approximately 117 liters. Used for measuring beer production and distribution volumes.
3. US Liquid Barrel
A unit used for general liquid volume in the United States. 1 Liquid Barrel = 31.5 US Gallons = approximately 119 liters. Applied to various liquids including wine and juice.
4. UK Barrel
A traditional British volume unit. 1 UK Barrel = 36 Imperial Gallons = approximately 164 liters. The Imperial Gallon is about 20% larger than the US Gallon.
5. US Dry Barrel
A unit for measuring dry goods (fruits, vegetables, grains, etc.). 1 Dry Barrel = 105 dry quarts ≈ 28.378 US Gallons (approximately 107 liters). Primarily used in agricultural commodity trading.
Gallon Types
US Gallon
1 US Gallon = 3.78541 liters. Used in the United States and some Latin American countries. Applies to oil barrels, beer barrels, liquid barrels, and dry barrels.
Imperial Gallon (UK Gallon)
1 Imperial Gallon = 4.54609 liters. Used in the United Kingdom, Canada, Australia, and other Commonwealth countries. Applies to UK barrels. It is approximately 20% larger than the US Gallon.
Who Can Benefit
- Energy Industry Professionals – Crude oil trading, refining industry
- Brewers – Calculating beer and wine production volumes
- Trade Professionals – International unit conversions
- Agricultural Commodity Traders – Dry barrel volume calculations
- Students/Researchers – Learning unit conversions
Privacy Protection
This tool operates 100% in your browser. The values you enter are not sent to any server, and all calculations are performed only on your device.
Frequently Asked Questions
Why is an oil barrel 42 gallons?
In 1866, Pennsylvania oil producers adopted the 42-gallon barrel as a standard container. This originated from British barrels used for transporting herring, and was standardized for convenience in transportation and trade.
What is the difference between US Gallon and UK Gallon?
A US Gallon is 3.78541 liters, while a UK (Imperial) Gallon is 4.54609 liters. The UK Gallon is approximately 20% larger. This difference exists because each country adopted different standards historically.
What type of barrel is used in crude oil prices “per barrel”?
The barrel referred to in crude oil prices is the Oil Barrel, which equals 42 US Gallons (approximately 159 liters). It is used as the standard in the international petroleum market.
Why is the dry barrel a different size?
The dry barrel was created as a unit for measuring dry goods (fruits, vegetables, etc.) rather than liquids. It is defined as 105 dry quarts, which equals approximately 28.378 US Gallons (about 107 liters). It is primarily used in agricultural commodity trading.