Is air-popped popcorn keto?

Higher net carbs per listed portion

This record is a higher-net-carb reference in its listed portion. The listed 1 cup, unpopped, yields (135 g) has 85.2 g calculated net carbs, so it may take a measured amount to fit within a lower-carbohydrate pattern.

This describes the USDA Survey (FNDDS) record for Popcorn, air-popped, no butter added, FDC ID 2708219. Ingredients, preparation, and current package labels can differ; use the label or recipe for the exact item in hand.

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Values update from the same USDA record. They do not estimate a personal carb target or ketosis response.

Amount in grams

Listed source portion: 1 cup, unpopped, yields (135 g).

Calculated net carbs

85.2 g

Total carbohydrate

104.6 g

Dietary fiber

19.4 g

Editorial illustration of Popcorn, air-popped, no butter added.

Nutrition facts for Popcorn, air-popped, no butter added

Reference category: Higher net carbs per listed portion. The category is based only on calculated net carbs for the listed portion: 5 g or less, more than 5 g to 10 g, or more than 10 g. Your total intake, preparation, and clinical context can change how a food fits your own plan.

Nutrient	Per listed portion (1 cup, unpopped, yields, 135 g)	Per 100 g
Energy	520 kcal	385 kcal
Protein	17.4 g	12.9 g
Total fat	6.1 g	4.5 g
Saturated fat	0.9 g	0.6 g
Total carbohydrate	104.6 g	77.5 g
Dietary fiber	19.4 g	14.4 g
Calculated net carbs	85.2 g	63.1 g
Total sugars	1.2 g	0.9 g
Sodium	218.7 mg	162 mg
Potassium	442.8 mg	328 mg

Explore this food category

Compare this form and portion with other records in snacks & sweets. The category hub explains why forms, preparation, and portions should not be treated as interchangeable.

For meal-level context, use the keto snacks guide.

How the calculation works

Calculated net carbs = total carbohydrate − dietary fiber. For this USDA record, that is 77.5 g − 14.4 g = 63.1 g per 100 g. Net carbs is a planning convention used on this site; it is not a separate USDA nutrient field or a regulatory nutrition-label value. This calculation does not automatically subtract sugar alcohols.

For the underlying approach and its limitations, see how net carbs are explained and the net-carb calculator.

Food record and source

• USDA food description: Popcorn, air-popped, no butter added
• FoodData Central ID: FDC ID 2708219
• Dataset: Survey (FNDDS) FNDDS 2021-2023 (2024-10-31)
• Record publication date: 10/31/2024
• Selected portion: 1 cup, unpopped, yields (135 g)

The nutrition values are reported by the USDA per 100 g. The per-portion column above is calculated from that value and the USDA portion weight; no household measure was invented for this page.

1. USDA FoodData Central, Survey (FNDDS) FNDDS 2021-2023 (2024-10-31), FDC ID 2708219. https://fdc.nal.usda.gov/food-details/2708219/nutrients, https://fdc.nal.usda.gov/download-datasets/

Compare related foods

• Tortilla chips, plain — 62.4 g calculated net carbs per 100 g
• Pita chips — 64.5 g calculated net carbs per 100 g
• Crackers, wheat, plain (Wheat Thins) — 61.5 g calculated net carbs per 100 g
• Crackers, woven wheat, plain (Triscuit) — 61.5 g calculated net carbs per 100 g

Browse all Food Database entries or start with the keto food list for practical meal-planning context.

Frequently Asked Questions

Is air-popped popcorn keto?

This record is a higher-net-carb reference in its listed portion. The listed 1 cup, unpopped, yields (135 g) has 85.2 g calculated net carbs, so it may take a measured amount to fit within a lower-carbohydrate pattern.

How many net carbs are in Popcorn, air-popped, no butter added?

The listed 1 cup, unpopped, yields (135 g) has 85.2 g calculated net carbs. Per 100 g, the record has 63.1 g calculated net carbs.

How are net carbs calculated for Popcorn, air-popped, no butter added?

247-Keto calculates net carbs as total carbohydrate minus dietary fiber, capped at zero. For this record, that is 77.5 g total carbohydrate minus 14.4 g fiber per 100 g. Sugar alcohols are not subtracted by this calculation.

Where do these Popcorn, air-popped, no butter added nutrition facts come from?

The values come from USDA FoodData Central's Survey (FNDDS) FNDDS 2021-2023 (2024-10-31) release, FDC ID 2708219. The page preserves the listed food description and portion weight so the comparison is traceable.

Article history

1. August 24, 2026First published