How many ounces in a fifth of a gallon?
1/5 US gallon = 25.6 US fluid ounces.
There are 1.5856236786469344608879492600423 pints in a gallon. And now, one from the lighter side: Not enough! The original "fifth" size liquor bottle was 4/5 of a pint, 1/5 of a gallon, or 25.6 ounces. The modern liquor bottle that we still call a fifth is actually 750 mls, which is 25.4 ounces, just a tiny bit less than the original fifth.
Since a "fifth" of liquor has less liquid than a quart, than a "fifth" must be 1/5 of a gallon, right? Originally there were two types of "gallon" in use for liquid: The "Wine Gallon" or Queen Anne's gallon of 128 oz or The "Water Gallon of 160 fluid ounces, or 10 lbs of water. AKA "Imperial Gallon" The US Gallon of 128 ounces was ratified later based on the Wine Gallon. one fifth of…