One 100 g serving of beef, chuck, arm pot roast, separable lean and fat, trimmed to 1/8" fat, all grades, raw has 244 calories, 0 g of carbs, and 0 g of fiber.
Full macro and micronutrient breakdown, plus how this compares across diets, is on the Beef, chuck, arm pot roast, separable lean and fat, trimmed to 1/8" fat, all grades, raw nutrition facts page.