Barrel (US liquid): unit of volume traditionally used for measuring liquids abbreviated as "bbl". Its exact size depends on the context or substance being measured. In US most fluid barrels (apart from oil) are 31.5 US gallons (approximately 119 litters), but beer is 31 US gallons (117 litters).
Pint (US liquid): unit of volume in the U.S. customary system, widely used for measuring liquids. Abbreviated as "pt", though context usually clarifies that it relates to liquid.
1 U.S. liquid pint is 16 U.S. fluid ounces which is 473.176 milliliters.
1 U.S. liquid pint is 16 U.S. fluid ounces which is 473.176 milliliters.
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