How many bottles of wine fit into a gallon jug?

A standard bottle of wine holds 750 milliliters, while a gallon is approximately 3,785 milliliters. This means that a gallon jug can hold about 5 bottles of wine, since 3,785 divided by 750 is approximately 5. However, it's important to note that the exact number may vary slightly depending on the specific bottle shape and size.