What is champagne quantity?

The quantity of champagne is typically measured in bottles. A standard bottle of champagne contains 750 millilitres (ml) of liquid. This is equivalent to about 25 fluid ounces (fl oz). However, there are also larger and smaller bottles of champagne available. For example, a magnum bottle contains 1500 ml of liquid, while a jeroboam bottle contains 3000 ml of liquid.