One 100 g serving of mcdonald's, quarter pounder has 244 calories, 22.2 g of carbs, and 1.6 g of fiber.
Full macro and micronutrient breakdown, plus how this compares across diets, is on the McDONALD'S, QUARTER POUNDER nutrition facts page.
Source: USDA FoodData Central - SR Legacy (2018-04)