Carbs in Microwave Popcorn

Microwave Popcorn (per 100 g) contains 73.4g total carbs, 59.2g net carbs, 9.5g fat, 12.6g protein, and 429 calories.

Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

Microwave Popcorn
59.2g
Net carbs
73.4g
Total carbs
14.2g
Fiber
12.6g
Protein
9.5g
Fat
429
Calories

Values per 100 g.

Carbs by serving size

ServingNet carbsTotal carbsCalories
100 g (3.5 oz)59.2g73.4g429
1 oz (28 g)16.6g20.6g120

Nutrition facts

NutrientAmount (per 100 g)
Calories429
Total carbs73.4g
Net carbs59.2g
Fiber14.2g
Sugar0.5g
Sugar alcohols0g
Protein12.6g
Fat9.5g
Sodium490mg
Potassium241mg

Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in microwave popcorn?
Microwave Popcorn has 73.4g of total carbs and 59.2g of net carbs per 100 grams.
How many net carbs are in microwave popcorn?
Microwave Popcorn has 59.2g of net carbs per 100 grams (total carbs 73.4g minus 14.2g fiber).
Is microwave popcorn keto-friendly?
Microwave Popcorn has 59.2g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
How many calories are in microwave popcorn?
Microwave Popcorn has 429 calories per 100 grams.

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