Popcorn, Microwave, Plain

USDA composition for popcorn, microwave, plain, and what a Nutrition Facts panel would print at the serving you choose — rounded by the FDA’s own declaration rules.

Also calledplain microwave popcornunflavored microwave popcornnatural microwave popcornmicrowave popcorn no flavormicrowave popcornpopped cornpalomitas
Reference basis
Label serving

Switch to 100 g to see the raw published values with no rounding applied.

Calories
150
Protein
3 g
Total fat
9 g
Sodium
210 mg
Nutrient
Calories145.04 kcal150 kcal
Total Fat8.568 g9 g11%
Saturated Fat4.004 g4 g20%
Trans Fatnot reported
Cholesterol0 mg0 mg0%
Sodium213.92 mg210 mg9%
Total Carbohydrate15.4 g15 g6%
Dietary Fiber2.856 g3 g10%
Total Sugars0.1708 g0 g
Added Sugarsnot reported
Protein2.5564 g3 g5%
Vitamin D0 mcg0 mcg0%
Calcium1.68 mg0 mg0%
Iron0.6328 mg0.6 mg4%
Potassium64.96 mg60 mg2%

Label declares applies the rounding rules in 21 CFR 101.9(c) to the measured amount at this serving. Select any rounding rule for the band and its citation; select a column heading to hide that column.

Showing Quantity not specified, 28 grams. 150 calories.

Insights

Every figure below has a formula — select any heading to see it. These are properties of the ingredient, so they do not move with serving size: 53% of popcorn, microwave, plain’s calories come from fat whether you weigh out 1 kernel or 1 regular microwave bag.

These are descriptive ratios, not nutrient content claims. A claim such as “good source of calcium” or “high protein” is evaluated per RACC serving under 21 CFR 101.54 — a different calculation, on a different basis, which this page does not make.
1.8 g
7.1%
53.2%
42.5%
5.18 kcal/g
44.80 g
5.39
3.29
0.02
0.52
0.99
20.82

Where every number on this page came from

Three versioned inputs. If any changes, the page is rebuilt and the build id below changes with it.

Composition
USDA FoodData Central
FDC 2708224 · FNDDS · released 2024-10-31
Rounding & %DV
FDA 21 CFR 101.9
§ 101.9(c), § 101.9(d)(7) · eCFR snapshot 2026-02-12
Read on eCFR →
Naming & ratios
BetterMenu enrichment
7 aliases · 13 ratios
Page built from bundle v1.3.0 · Aug 26, 2026 · commit 7fdde67
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Daily Values shown are for adults and children 4 years and older. This page reports published composition data for a reference food — it is not an analysis of your formulation, and it is not a substitute for one.

For informational purposes only; verify against 21 CFR 101.9.