One 100 g serving of chick-fil-a, hash browns has 301 calories, 30.5 g of carbs, and 3.2 g of fiber.
Full macro and micronutrient breakdown, plus how this compares across diets, is on the CHICK-FIL-A, hash browns nutrition facts page.
Source: USDA FoodData Central - SR Legacy (2018-04)