A standard jigger measurement is 1 ounce on one side and 1/2 ounce on the other side or 1 1/2 ounces on one side and 3/4 ounce on the other side. A jigger is used to measure liquids.
A jigger measuring device has the shape of an hourglass and is used to measure cocktails. The jigger is a basic tool for bartending due to its precision. The shape of the jigger allows it to be rested between the bartender's fingers to enable steady pouring. The larger side of the jigger is called the shot end, while the smaller side is called the pony end.