A jigger, also known as a shot glass, is a small vessel used to measure liquor. Most jiggers hold 1.5 ounces, or 44 milliliters. However, there are a variety of sizes available.

To make a cocktail, you’ll need to know how many ounces are in a jigger. This will help you measure the correct amount of liquor to use in your drink.

Most cocktails call for between 1 and 2 ounces of liquor. So, if you’re using a jigger that …