How many grams of sugar in red wine?

Red wine typically contains about 0.5 to 1.5 grams of sugar per ounce, depending on the style and sweetness of the wine. Generally, dry red wines have lower sugar content, while sweeter varieties can have higher levels. On average, a standard 5-ounce serving of dry red wine may contain around 1 to 2 grams of sugar. Always check specific labels for precise information, as sugar content can vary significantly between different wines.