Wine is an alcoholic beverage prepared from fermented grapes. The number of calories in a bottle of wine will vary depending on the alcohol content of the wine and the size of the bottle. Alcohol provides seven calories per g.
Red Wine
Wine bottles range from about 1.7 oz. to 100 oz. Widely-used sizes are 750-milliliter or 1,000-milliliter bottles. These are equivalent to 25.4 oz. and 38.3 oz., respectively. Red wines, such as Pinot Noir or Burgundy, contain about 25 calories per oz. A 25-oz. bottle of red wine provides around 625 calories, and a 33-oz. bottle provides about 825 calories.
White Wine
White wines such as Sauvignon Blanc or German Riesling wine contain about 24 calories per oz. A 25-oz. bottle of white wine provides about 600 calories, and a 33-oz. bottle provides about 790 calories.
Empty Calories
Calories ingested from drinking wine and other alcoholic drinks are known as "empty calories," because they do not contain beneficial nutrients, such as mineral or vitamins, according to the MedlinePlus health information website.
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