Is Cucumber keto?
Cucumber is keto: it has ~2 g of net carbs per 1/2 medium, within the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
2 g
per 1/2 medium
These are the carbs that count on keto: total carbs minus fiber.
Cucumber is keto-friendly, with only 2.1 net carbs per serving.
Nutrition facts for cucumber
How many carbs are in cucumber?
Cucumber has ~3 g of carbs and ~2 g of net carbs per 1/2 medium (total carbs minus 1 g of fiber).
Why cucumber is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; cucumber has 2 g per 1/2 medium (3 g total − 1 g of fiber).
How much cucumber can I eat on keto?
To stay under 5 g of net carbs, the limit is ~238 g of cucumber.
Related
In moderation
In moderation
Yes
Yes
No
No
See all: Keto vegetables
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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