How many ounces are there in a fifth of vodka?
The ounces in a "fifth" 25 Ounces. It is equal to 17 standard drinks. What is a fifth? It is 1/5 of a gallon. A gallon is 128 ounces. 128/5 = 25.6 ounces in a fifth.
A fifth of vodka, or of any liquor, is actually 4/5ths of a quart, or 0.8 quarts. This equates very closely with 3/4ths of a liter, or 750 milliliters. For pictures of 750 ml bottles of vodka, use the link and start browsing. Most of the shown bottles are 750 ml bottles, or about a fifth of vodka. You'll find that link below.