US measurement of volume for dry materials. See also US liquid barrels, US federal barrels, US oil barrels and UK barrels.
US gal lqd =
US bbl dry * 30.545
A US capacity measure (for liquid) equal to 4 quarts or 3.785 liters. Note also there are different measures of US dry gallons and UK gallons.
US Barrels (Dry) to US Gallons (Liquid)
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