9g Carbs per slice. Only 40 calories per slice! 1/3 Fewer calories than regular white bread. No trans fat. Excellent source of Fiber. Bread is a low fat and cholesterol free food. Wonder Light is a great tasting, reduced calorie bread that has been specially baked for those who are counting the carbohydrates in their diet. Wonder Light Italian Bread has 6 grams of net carbs per slice. Because dietary fiber is not digested, dietary fiber carbohydrates can be deducted from total carbohydrates to arrive at net carbs. Wonder Light Italian has a total of 9 grams of carbohydrates but 3 of the grams are dietary fiber. Total carbs: 9 grams - dietary fiber: 3 grams = net carbs: 6 grams per slice. Calorie comparison: Wonder Light 2 slices (45g) - 80; regular white bread (45g) - 120.