How many calories are in wine?

Although the caloric content of wine varies depending on the type and style, the U.S. Department of Agriculture gives an average figure of 25 calories per ounce of wine. A typical serving of wine varies from 3 to 8.5 ounces.

The caloric range of a glass of wine is between 75 and 225 calories. White wines tend to have a higher sugar content than red wines, and they generally contain more calories per ounce. On its website, the USDA furnishes a complete listing of each style of wine and its nutritional content. This tool allows dieters to use exact numbers for caloric intake.