Popcorn is keto: it has ~5 g of net carbs per 1 cup (popped, no added fat), within the keto diet's 5 g-per-serving limit.
Net carbs
5 g
per 1 cup (popped, no added fat)
These are the carbs that count on keto: total carbs minus fiber.
It has about 5 g of net carbs per cup, but it's very easy to go overboard on the portion and rack up a lot of carbs.
Nutrition facts for popcorn
0.4 g
Fat
1 g
Protein
1.2 g
Fiber
Why popcorn is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; popcorn has 5 g per 1 cup (popped, no added fat) (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
✓Yes
Keto snacks
3 g net
/ 1 serving (30 g)
✓Yes
Keto protein bar
3 g net
/ 1 bar (40 g)
✓Yes
Pork rinds
0 g net
/ 1 serving (28 g)
✓Yes
Olive
1 g net
/ 10 olives
✕No
French fries
37 g net
/ 1 medium serving
✓Yes
Flaxseeds
0 g net
/ 1 tablespoon (ground or whole)
See all: Snacks keto
Source: nutritional estimate (USDA-style reference) · Confidence: medium
Reviewed by the Ketorai team · Last updated: July 1, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.
Reviewed by the Ketorai team · Last updated: July 1, 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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