Question: how big are wine bottles?
Answer: The Wine 101 Guide 375 ml Demi or Half: Holds one-half of the standard 750 ml size. 750 ml Standard: Common bottle size for most distributed wine. 1.5 L Magnum: Equivalent to two standard 750 ml bottles. 3.0 L Double Magnum: Equivalent to two Magnums or four standard 750 ml bottles.