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Tomato
Yes
it's keto

Tomato

Vegetable

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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

0.2 g
Fat
1.2 g
Protein
1.5 g
Fiber

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.

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Source: nutritional estimate (USDA-style reference) · Confidence: high
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.
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