Is Tomato soup keto?
Tomato soup is not keto: it has ~16 g of net carbs per 1 cup, against the keto diet's 5 g-per-serving limit.
Net carbs = total − fiber
16 g
per 1 cup
These are the carbs that count on keto: total carbs minus fiber.
One cup of tomato soup contains 16 net carbs, which is too high for a ketogenic diet.
Nutrition facts for tomato soup
How many carbs are in tomato soup?
Tomato soup has ~18 g of carbs and ~16 g of net carbs per 1 cup (total carbs minus 2 g of fiber).
Why tomato soup is not keto?
On keto the goal is to stay under ~5 g of net carbs per serving; tomato soup has 16 g per 1 cup (18 g total − 2 g of fiber).
How much tomato soup can I eat on keto?
To stay under 5 g of net carbs, the limit is ~75 g of tomato soup.
Related
No
No
No
Yes
In moderation
No
See all: Keto fast food
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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