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USDA reference food

Popcorn, air-popped, with added butter

1 cup, popped of popcorn, air-popped, with added butter (11 g) has 45 calories, 1g of protein, 1.5g of fat and 1g of fiber (USDA FoodData Central, the dietary survey database (FNDDS), FDC 2708220). It is one of 39 USDA descriptions of popcorn.

Nutrition Facts

Serving size1 cup, popped (11g)
Amount per serving
Calories45
% Daily Value*
Total Fat 1.5g2%
Saturated Fat 0.5g3%
Trans Fat not declared
Cholesterol <5mg1%
Sodium 25mg1%
Total Carbohydrate 7g3%
Dietary Fiber 1g5%
Total Sugars 0g
Includes Added Sugars not declared
Protein 1g2%
Vitamin D 0mcg0%
Calcium 0mg0%
Iron 0.3mg2%
Potassium 30mg1%

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.

USDA values per 100 g (the dietary survey database (FNDDS)), scaled to the portion. Check the USDA record.

Protein per 100 g
11g
more than 55% of 8,218 USDA reference foods
Calories per 100 g
430
more than 90% of reference foods
Fiber per 100 g
12.2g
more than 98% of reference foods

What a portion gives you

Fiber 1g5%
Protein 1g2%
Potassium 30mg1%
Calcium 0mg0%
Iron 0.3mg2%
Sodium 25mg1%

Ticks: 5% of the Daily Value (FDA: low) and 20% (high)

Source: USDA FoodData Central, the dietary survey database (FNDDS) (FDC 2708220); FDA Daily Values, 21 CFR 101.9.

Where the calories come from: 59% carbohydrate, 31% fat and 10% protein (4 calories a gram of protein or carbohydrate, 9 of fat).

Where it sits among USDA reference foods

Per 100 gThis foodShare with less
Calories43090%
Protein11.0 g55%
Total fat15.3 g78%
Carbohydrate65.8 g90%
Fiber12.2 g98%
Total sugars0.79 g45%
Sodium227 mg67%

Source: USDA FoodData Central, SR Legacy and Foundation Foods: the 6,012 to 8,218 reference foods that report each value; the share of them with less per 100 g.

Every nutrient in this record (65)

The portion is 1 cup, popped (11 g); % DV is for that portion.

Energy, macronutrients and sugars (12)
NutrientPer portionPer 100 g% DV
Protein1.21 g11.0 g2%
Total lipid (fat)1.68 g15.3 g2%
Carbohydrate, by difference7.23 g65.8 g3%
Energy47.3 kcal430 kcal
Alcohol, ethyl0 g0 g
Water0.68 g6.21 g
Total Sugars0.087 g0.79 g
Fiber, total dietary1.34 g12.2 g5%
Cholesterol2.31 mg21.0 mg1%
Fatty acids, total saturated0.60 g5.48 g3%
Fatty acids, total monounsaturated0.42 g3.82 g
Fatty acids, total polyunsaturated0.41 g3.77 g
Minerals (9)
NutrientPer portionPer 100 g% DV
Calcium, Ca0.99 mg9.00 mg0%
Iron, Fe0.30 mg2.70 mg2%
Magnesium, Mg13.4 mg122 mg3%
Phosphorus, P33.5 mg305 mg3%
Potassium, K31.0 mg282 mg1%
Sodium, Na25.0 mg227 mg1%
Zinc, Zn0.29 mg2.61 mg3%
Copper, Cu0.024 mg0.22 mg3%
Selenium, Se0 µg0 µg0%
Vitamins (23)
NutrientPer portionPer 100 g% DV
Retinol12.7 µg115 µg
Vitamin A, RAE14.0 µg127 µg2%
Carotene, beta14.1 µg128 µg
Carotene, alpha5.39 µg49.0 µg
Vitamin E (alpha-tocopherol)0.15 mg1.34 mg1%
Vitamin D (D2 + D3)0.033 µg0.30 µg0%
Cryptoxanthin, beta0.11 µg1.00 µg
Lycopene0 µg0 µg
Lutein + zeaxanthin135 µg1,225 µg
Vitamin C, total ascorbic acid0 mg0 mg0%
Thiamin0.0098 mg0.089 mg1%
Riboflavin0.0079 mg0.072 mg1%
Niacin0.21 mg1.95 mg1%
Vitamin B-60.033 mg0.30 mg2%
Folate, total2.97 µg27.0 µg
Vitamin B-120 µg0 µg0%
Choline, total2.23 mg20.3 mg0%
Vitamin K (phylloquinone)0.85 µg7.70 µg1%
Folic acid0 µg0 µg
Folate, food2.97 µg27.0 µg
Folate, DFE2.97 µg27.0 µg1%
Vitamin E, added0 mg0 mg
Vitamin B-12, added0 µg0 µg
Fatty acids (19)
NutrientPer portionPer 100 g% DV
SFA 4:00.021 g0.19 g
SFA 6:00.015 g0.13 g
SFA 8:00.0085 g0.077 g
SFA 10:00.020 g0.18 g
SFA 12:00.023 g0.21 g
SFA 14:00.073 g0.66 g
SFA 16:00.31 g2.81 g
SFA 18:00.12 g1.05 g
MUFA 18:10.40 g3.61 g
PUFA 18:20.39 g3.54 g
PUFA 18:30.025 g0.23 g
PUFA 20:40.00099 g0.0090 g
PUFA 22:6 n-3 (DHA)0 g0 g
MUFA 16:10.011 g0.098 g
PUFA 18:40.00011 g0.0010 g
MUFA 20:10.0036 g0.033 g
PUFA 20:5 n-3 (EPA)0.00022 g0.0020 g
MUFA 22:10 g0 g
PUFA 22:5 n-3 (DPA)0.00044 g0.0040 g

Source: USDA FoodData Central, FDC 2708220: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.

Other ways to eat popcorn

USDA lists 39 preparations of popcorn. The popcorn page puts them side by side, per 100 g and per portion.

Compare every popcorn preparation

Sources for this page
USDA FoodData Central
this record and every record it is compared with, April 30, 2026 release. fdc.nal.usda.gov
FoodData Central documentation
what branded, SR Legacy, Foundation and survey records are. fdc.nal.usda.gov
USDA Food and Nutrient Database for Dietary Studies
survey foods and their household portions. ars.usda.gov
21 CFR 101.9, Nutrition labeling of food
the label format, its rounding and the Daily Values. ecfr.gov
21 CFR 101 subpart D, Nutrient content claims
the FDA thresholds the comparisons count. ecfr.gov
FDA, How to Understand and Use the Nutrition Facts Label
the 5% and 20% Daily Value rule. fda.gov