Calories in
snacks, popcorn, air-popped
387 kcal per 100 g Snacks, popcorn, air-popped contains 387 calories per 100 grams, or about 31 calories per cup. Per 100 g it provides 12.9 g protein, 77.8 g carbohydrate and 4.5 g fat.
By calories that splits 77% carbohydrate, 13% protein, 10% fat.
Calories in a typical serving
Per-100 g figures are useful for comparison but nobody eats 100 g of anything on purpose. These are the USDA's own household measures.
| Serving | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 cup | 8.0 g | 31 | 1.0 g | 6.2 g | 0.4 g |
| 1 oz | 28.4 g | 110 | 3.7 g | 22.1 g | 1.3 g |
Full nutrition, per 100 g and per cup
| Nutrient | Per 100 g | Per cup |
|---|---|---|
| Energy | 387 kcal | 31 kcal |
| Protein | 12.9 g | 1.0 g |
| Total fat | 4.5 g | 0.4 g |
| Saturated fat | 0.6 g | 0.1 g |
| Carbohydrate | 77.8 g | 6.2 g |
| Fibre | 14.5 g | 1.2 g |
| Sugars | 0.9 g | 0.1 g |
| Sodium | 8.0 mg | 0.6 mg |
| Potassium | 329.0 mg | 26.3 mg |
| Calcium | 7.0 mg | 0.6 mg |
| Iron | 3.2 mg | 0.3 mg |
| Vitamin C | 0.0 mg | 0.0 mg |
| Vitamin A | 10.0 µg | 0.8 µg |
| Cholesterol | 0.0 mg | 0.0 mg |
| Water | 3.3 g | 0.3 g |
USDA FoodData Central, SR Legacy (FDC ID 167959). A dash means the nutrient was not measured for this item, which is not the same as zero.
How snacks, popcorn, air-popped compares
Among the 44 snacks items on this site, snacks, popcorn, air-popped ranks 35 of 44 by calorie density, against a category average of 444 kcal per 100 g — so it is about 13% less calorie-dense than typical for its group.
It carries 3.3 g of protein per 100 calories, so it is not a meaningful protein source.
To burn off one cup (31 kcal), a 70 kg adult would walk for roughly 6 minutes — see the walking calculation on our sister site, or pick a different activity. Treat that as a sense of scale rather than a rule: eating and moving are not a simple ledger.
Questions
How many calories are in snacks, popcorn, air-popped?
Snacks, popcorn, air-popped contains 387 calories per 100 g, which works out to about 31 calories per cup. It also provides 12.9 g of protein, 77.8 g of carbohydrate and 4.5 g of fat per 100 g.
What is the macro breakdown of snacks, popcorn, air-popped?
By calories, snacks, popcorn, air-popped is roughly 77% carbohydrate, 13% protein and 10% fat. That makes it a predominantly carbohydrate-based food.
How long does it take to burn off a cup?
About 6 minutes of ordinary walking for a 70 kg adult (MET 4.0). That is a rough guide for scale, not a prescription — appetite and activity interact in ways a simple subtraction does not capture.
Is this figure exact for the snacks, popcorn, air-popped I bought?
No. These are USDA reference values, averaged across samples. Real foods vary with variety, ripeness, growing conditions, cut, brand and how they were cooked — 10–20% either way is normal. Use them for planning, not precision.
Similar foods
Closest in calorie density within snacks.
Source: USDA FoodData Central, SR Legacy — public domain. Full USDA description: "Snacks, popcorn, air-popped". General information only — not medical or nutrition advice. Values are averages for a food type and vary by brand, ripeness and preparation.