The amount of carbohydrates in a glass of Chardonnay wine can vary, depending on the specific brand and alcohol content. On average, a 5-ounce glass of Chardonnay wine contains approximately 3-4 grams of carbohydrates. Keep in mind that wine, like all alcoholic beverages, contains calories and should be consumed in moderation as part of a balanced diet. Overconsumption of alcohol can lead to a variety of health problems, including weight gain, liver disease, and an increased risk of certain cancers.