Air-Popped Popcorn Calories & Carbs
Keto-friendlyLast updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 3 cups (24g); per 100 g: 62.5g net carbs, 388 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in air-popped popcorn?
Air-Popped Popcorn — 3 cups (24g) — has 15g net carbs: 19g total carbs minus 4g fiber, plus 3g protein, 1g fat, and 93 calories. Per 100g that is 62.5g net carbs (79.2g total carbs, 16.7g fiber) and 388 calories. That makes air-popped popcorn high in net carbs and about average for the typical snacks and sweet, which averages about 55.0g net carbs per 100g. With this carb count, air-popped popcorn fits a keto or low-carb diet (usually 20–50g net carbs per day) in normal portions. Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is air-popped popcorn keto-friendly?
Air-Popped Popcorn is generally not keto-friendly. 3 cups (24g) is 15g net carbs (19g total carbs − 4g fiber); per 100g that is 62.5g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
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Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 3 cups | 15g | 19g | 3g | 93 |
| 100 g (3.5 oz) | 62.5g | 79.2g | 12.5g | 388 |
| 1 oz (28 g) | 17.5g | 22.2g | 3.5g | 109 |
How many calories are in air-popped popcorn?
Air-Popped Popcorn — 3 cups (24g) — has 93 calories, with 3g protein, 1g fat, and 15g net carbs. Per 100g: 388 calories and 62.5g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 388 |
| Total carbs | 79.2g |
| Net carbs | 62.5g |
| Fiber | 16.7g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 12.5g |
| Fat | 4.2g |
| Sodium | 4mg |
| Potassium | 300mg |
Source: Manufacturer-reported values (snacks-sweets). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in air-popped popcorn?
- Air-Popped Popcorn (3 cups, 24g) has 19g of total carbs and 15g of net carbs. Per 100 grams: 79.2g total, 62.5g net.
- How many net carbs are in air-popped popcorn?
- Air-Popped Popcorn has 15g of net carbs per 3 cups (24g) — 19g total carbs minus 4g fiber.
- Is air-popped popcorn keto-friendly?
- Air-Popped Popcorn is generally not keto-friendly. 3 cups (24g) is 15g net carbs (19g total carbs − 4g fiber); per 100g that is 62.5g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in air-popped popcorn?
- Air-Popped Popcorn (3 cups, 24g) has 93 calories; that is 388 calories per 100 grams.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.