Is crab keto?

Crab

Keto-friendly Yes — crab is keto-friendly.

Real crab has virtually no carbs. Imitation crab is a different story.

Nutrition per serving

3 oz · 85 g
Net carbs
0g
Calories
74kcal
Protein
15g
Fat
0.9g
Total carbs
0 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 0%

Crab has virtually no net carbs, so portion size is about calories and fullness, not carbs.

Nutrition facts for crab
NutrientPer servingPer 100 g
Calories74 kcal87 kcal
Total carbohydrate0 g0 g
Dietary fiber0 g0 g
Net carbs0 g0 g
Protein15 g18 g
Fat0.9 g1.1 g

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Frequently asked questions

Is crab keto?

Yes — crab is keto-friendly. Real crab has virtually no carbs. Imitation crab is a different story.

How many net carbs are in crab?

3 oz (85 g) of crab has about 0 g net carbs (0 g total carbs minus 0 g fiber). Per 100 g, that's 0 g net carbs.

How much crab can I eat on keto?

Crab has virtually no net carbs, so portion size is about calories and fullness, not carbs. On a typical 20 g daily limit, one serving uses about 0% of your carbs.

More fish & seafood

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Source: USDA FoodData Central (SR Legacy #174204): Crustaceans, crab, blue, raw. Net carbs = total carbohydrate − fiber. Rating: Keto-friendly — Low in net carbs per typical serving (about 5 g or less). Fits easily into a 20–30 g daily limit. How we rate foods. Last reviewed October 18, 2026.

Typical price: about $19.96/lb — Our estimate of a typical supermarket price: $9.99 for 8 oz lump crab meat. How we estimate prices

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