How Many Calories are in a Glass of Wine?

Kind of depends on the size of the glass! For a 5 oz serving of red wine there are approximately 105 calories. For a 5 oz serving of white wine there are 100 calories. Not much difference there. Now considering the fact that the usual glass of wine tends to be about 10 oz, you would double the calorie amounts to get 212 calories for the red wine and 200 calories for the white wine. Just enough calories in a glass of wine to make you think twice about having that 2nd glass!