Question: how many fluid ounces in a growler?
Answer: While 64 U.S. fl oz (1,892.7 ml; 66.6 imp fl oz) is the most popular growler size, growlers are commonly found in 32 U.S. fl oz (1 US Quart, sometimes known as a "howler", which may be short for "half growler"), 128 U.S. fl oz (1 US Gallon), 1-liter (33.8 U.S. fl oz; 35.2 imp fl oz), and 2-liter sizes as well.