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Seaweed
Yes
it's keto

Seaweed

Vegetable

Also: nori, kelp, and wakame

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Seaweed is keto: it has ~0 g of net carbs per 1/4 cup dried (10 g), within the keto diet's 5 g-per-serving limit.

Net carbs

0 g

per 1/4 cup dried (10 g)

These are the carbs that count on keto: total carbs minus fiber.

With about 0.8 g net carbs per serving, seaweed is very keto-friendly.

Nutrition facts for seaweed

0.1 g
Fat
0.6 g
Protein
0.1 g
Fiber

Why seaweed is keto?

On keto the goal is to stay under ~5 g of net carbs per serving; seaweed has 0 g per 1/4 cup dried (10 g) (0 g total − 0 g of fiber).

How much seaweed can I eat on keto?

To stay under 5 g of net carbs, the limit is ~63 g of seaweed.

Related

See all: Keto vegetables

Source: nutritional estimate (USDA-style reference) · Confidence: medium
Reviewed by the Ketorai team · Last updated: July 2, 2026 · How we assign the verdict
For information only. This does not replace advice from a health professional.