<P> In the American vernacular , a forty - ounce or simply forty is a glass or plastic bottle that holds 40 fluid ounces ( 1.18 litres , or 2.5 U.S. pints ) of malt liquor . Malt liquors are commonly sold in 40 fluid ounce bottles , among other sizes , as opposed to the standard twelve ounce ( 355 mL ) bottle that contains a single serving of beer , although many malt liquors are offered in varying volumes . </P>
<P> In the American vernacular , a forty - ounce or simply forty is a glass or plastic bottle that holds 40 fluid ounces ( 1.18 litres , or 2.5 U.S. pints ) of malt liquor . Malt liquors are commonly sold in 40 fluid ounce bottles , among other sizes , as opposed to the standard twelve ounce ( 355 mL ) bottle that contains a single serving of beer , although many malt liquors are offered in varying volumes . </P>
how much is a 40 ounce of beer
how much is a 40 ounce of beer
1.18 litres 2.5 U.S. pints
1.18 litres 2.5 U.S. pints