One 100 g serving of soymilk (all flavors), enhanced has 45 calories, 3.5 g of carbs, and 0.4 g of fiber.
Full macro and micronutrient breakdown, plus how this compares across diets, is on the Soymilk (All flavors), enhanced nutrition facts page.
Source: USDA FoodData Central - SR Legacy (2018-04)