First it needs to be established that, yes, there are calories in wine. Indeed, almost nything you eat or drink contains calories unless it is made of almost entirely of water or chemicals. However, calories should be considered fuel for the body and a body will not function well without an adequate supply of fuel. That said, the calories in wine need to be counted if you are watching your weight.
Wine As A Fuel Source
Typically, there are around 80100 calories in an average-sized glass of wine. An average-sized glass is considered to be 125150 mls (around 4 fl oz), so in a 750ml bottle there are roughly five to six glasses of wine at most. There are red wine glasses available today that can hold almost a full bottle of wine so it is important to consider the size of the glass when counting the calories in wine. A 750ml bottle of wine will generally contain between 300 and 500 calories.
Not all wines contain the same number of calories. Some of the drier white wines, for example, Sauvignon Blanc, white Zinfandel, and Chablis are at the lower end of the calorie scale around 80 calories per glass. Red wines such as Cabernet Sauvignon, Shiraz, Pinot Noir and...