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There are 56 calories in a 1oz serving of homemade beef jerky. Calorie breakdown: 18% fat, 2% carbs, 80% protein.
Calories and Fat. A 3.5 oz. serving of beef jerky contains 150 calories. This amount of calories makes it a good choice for a snack, as it is good practice to keep snacks in the 100 to 200 calorie range. You consume 1.9 g of fat per serving and roughly half of this derives from saturated fat.