Is Popcorn keto?
Popcorn is not keto: it has ~5 g of net carbs per 1 cup, air-popped, against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
5 g
per 1 cup, air-popped
These are the carbs that count on keto: total carbs minus fiber.
Popcorn is keto-friendly with 5 grams of net carbs per serving.
Nutrition facts for popcorn
How many carbs are in popcorn?
Popcorn has ~6 g of carbs and ~5 g of net carbs per 1 cup, air-popped (total carbs minus 1 g of fiber).
Why popcorn is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; popcorn has 5 g per 1 cup, air-popped (6 g total − 1 g of fiber).
How much popcorn can I eat on keto?
To stay under 5 g of net carbs, the limit is ~8 g of popcorn.
Related
No
No
No
No
No
In moderation
See all: Keto snacks
Reviewed by the Ketorai team · Last updated: July 5, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Something off? Let us know.
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