Foods · Snacks
Calories in air-popped popcorn
Air-popped popcorn: about 387 calories per 100 g. A portion of 1 oz (28 g) has about 110 calories.
Calories and nutrients by portion
| Portion | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 100 g (3.5 oz) | 100 g | 387 | 12.9 g | 77.8 g | 4.5 g |
| 1 cup | 8 g | 31 | 1 g | 6.2 g | 0.4 g |
| 1 oz | 28 g | 110 | 3.7 g | 22.1 g | 1.3 g |
Where the calories come from
- Protein 13%
- Carbs 77%
- Fat 10%
Shares are estimated with 4 calories per gram of protein and carbohydrate and 9 per gram of fat.
Full nutrition per 100 g
| Calories | 387 kcal |
| Protein | 12.9 g |
| Carbohydrate | 77.8 g |
| of which sugars | 0.9 g |
| Fibre | 14.5 g |
| Fat | 4.5 g |
| of which saturated | 0.6 g |
| Cholesterol | 0 mg |
| Sodium | 8 mg |
| Potassium | 329 mg |
| Calcium | 7 mg |
| Iron | 3.2 mg |
| Water | 3.3 g |
How it compares with other snacks
Among the 6 snacks listed on this site, air-popped popcorn ranks number 2 from the lowest in calories per 100 g, and number 2 from the highest in protein per 100 g.
Fewer calories per 100 g
- Pretzels 384 cal
More calories per 100 g
- Beef jerky 410 cal
- Tortilla chips 472 cal
- Potato chips 532 cal
What 110 calories equal in exercise
For a 155 lb (70 kg) person, Harvard Health lists about 133 calories for 30 minutes of walking at 3.5 mph and about 288 for 30 minutes of running at 5 mph. By that chart, a portion of air-popped popcorn (1 oz, 110 calories) equals about 25 minutes of walking or 11 minutes of running. Use the calories burned calculator for your own weight.
About these numbers
The figures come from the USDA FoodData Central entry “Snacks, popcorn, air-popped”. They are reference averages, so brands, ripeness, cuts and recipes shift the real number. Treat them as estimates, and weigh food for the closest result.
Quick answers
How many calories are in air-popped popcorn (1 oz)?
About 110 calories (≈). That is 1 oz (28 g) of air-popped popcorn, using the USDA reference value of 387 calories per 100 g.
How many calories are in 100 grams of air-popped popcorn?
About 387 calories (≈). One ounce (28 g) is about 110 calories.
How much protein is in air-popped popcorn?
12.9 g per 100 g, and about 13% of its calories come from protein (≈). A portion of 1 oz has about 3.7 g.
Source
- USDA FoodData Central, SR Legacy: Snacks, popcorn, air-popped (FDC ID 167959)
- U.S. Department of Agriculture, Agricultural Research Service. FoodData Central. fdc.nal.usda.gov
- Harvard Health: calories burned in 30 minutes for people of three different weights
General information, not medical advice. Nutrient values are estimates and vary by product and portion.
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