Is Tomato keto?
Tomato is keto: it has ~3 g of net carbs per 1 medium tomato, within the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
3 g
per 1 medium tomato
These are the carbs that count on keto: total carbs minus fiber.
Tomato is keto-friendly with 3.3 grams of net carbs per serving.
Nutrition facts for tomato
How many carbs are in tomato?
Tomato has ~4 g of carbs and ~3 g of net carbs per 1 medium tomato (total carbs minus 1 g of fiber).
Why tomato is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; tomato has 3 g per 1 medium tomato (4 g total − 1 g of fiber).
How much tomato can I eat on keto?
To stay under 5 g of net carbs, the limit is ~186 g of tomato.
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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