How much volume is there in a glass of whiskey?

The volume of a glass of whiskey can vary depending on the size of the glass. Typically, a standard pour of whiskey is 1.5 fluid ounces (44 ml). A single glass of whiskey often contains 2-3 standard pours, which would put the volume of a glass of whiskey between 3-4.5 fluid ounces (88-132 ml). However, some establishments may pour larger or smaller drinks, and different types of whiskey glasses can also vary in size.