Ketchup is keto: it has ~4 g of net carbs per 1 tablespoon, within the keto diet's 5 g-per-serving limit.
Net carbs
4 g
per 1 tablespoon
These are the carbs that count on keto: total carbs minus fiber.
One tablespoon has about 4.4 g of net carbs, but it's easy to overdo the portion because of its high added-sugar content.
Nutrition facts for ketchup
0 g
Fat
0.2 g
Protein
0.1 g
Fiber
Why ketchup is keto?
On keto the goal is to stay under ~5 g of net carbs per serving; ketchup has 4 g per 1 tablespoon (4 g total − 0 g of fiber).
How much ketchup can I eat on keto?
To stay under 5 g of net carbs, the limit is ~19 g of ketchup. A better keto alternative is azúcar.
Best keto alternative
Related
✓Yes
Hummus
3 g net
/ 2 tablespoons
✓Yes
Ranch dressing
1 g net
/ 2 tablespoons
✓Yes
Soy sauce
0 g net
/ 1 tablespoon
✓Yes
Guacamole
1 g net
/ 1/4 cup
✓Yes
Mayonnaise
0 g net
/ 1 tablespoon
✓Yes
Pesto
1 g net
/ 2 tablespoons
See all: Aderezos keto
Source: nutritional estimate (USDA-style reference) · Confidence: high
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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