How many mixed drinks from a liter of rum?

The number of mixed drinks you can make from a liter of rum depends on the recipe and the size of the drinks. Typically, a standard mixed drink uses about 1.5 ounces (44 ml) of rum. Based on this measurement, you could make approximately 22 mixed drinks from a liter of rum. However, if your drinks require more or less rum, the total will vary accordingly.