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Calories In Popcorn Seasoning Calories: 5, Fat: 0g, Carbs: 1g, Protein: 1g, Fiber: 0g. Calories Burned For Treadmill: 5% Incline, 6 mph (10 minutes per mile) Calories Burned For Treadmill: 5% Incline, 6.6 mph (9 minutes per mile) Calories Burned For Treadmill: 5% Incline, 7.5 mph (8 minutes per mile)
While air-popped popcorn without salt or oil is low in calories and fat, you still need to limit your serving size. A 3-cup serving is reasonable for a snack, but if youâre voracious, a double serving is okay too. You need to use 1 1/2 tablespoons of kernels to make 3 cups of popped popcorn. One 3-cup serving of air-popped popcorn has 93 calories, 1 gram of fat, 3.5 grams of fiber and 2 milligrams of sodium.