Hydro Flask 24oz Standard Mouth Flex Straw Cap Black Georgian Wine Glasses I was always under the impression that you got 5 or 6 glasses of wine from a standard 750 ml bottle. This would work out to 125 to 150 ml per glass. We recently tested the levels of caffeine in popular coffees, so you know how much you're getting in each cup. Our tests included several coffees from supermarkets and coffee shops, and we