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How many calories are in red wine ?

Answer

That depends if you're talking about just a glass of wine vs. an entire bottle of wine. If you look at a standard serving of red wine, which is about 4 or 5 ounces, then you're looking at about 106 calories. An average wine glass, however, tends to serve twice that amount, totalling 8-10 ounces and about 212 calories. Now if you're calculating an entire bottle, then there are 25.42 ounces of red wine in a standard 750 ml bottle, and at 21.2 calories per ounce that would give you a total of approximately 539 calories for the bottle.