A barrel is a round large container used to store liquid and food. A barrel is equal to 159 liters in the oil industry. The gallon is unit of capacity used in many of the English speaking countries. A gallon is equal to 4 quarts or 231 cubic inches. Convert the gallon measurement to barrel unit using the gallons to barrels conversion formula. Determine how many barrels are in gallons of water or oil just by dividing the values of gallons measurement by 42.
The gallon and barrel measurements are used for commercial purpose rather than daily usage, it is used to measure oil, beer or even dry materials. Use our online converter to convert the values from gallons to barrel.