One 100 g serving of mcdonald's, double cheeseburger has 282 calories, 18.8 g of carbs, and 0.8 g of fiber.
Full macro and micronutrient breakdown, plus how this compares across diets, is on the McDONALD'S, Double Cheeseburger nutrition facts page.
Source: USDA FoodData Central - SR Legacy (2018-04)