Is miso soup keto?

Miso soup

Keto-friendly Yes — miso soup is keto-friendly.

Dashi broth with miso, tofu cubes and seaweed has about 4 g net carbs per cup — one of the best starters at a Japanese restaurant.

Nutrition per serving

1 cup · 240 g
Net carbs
3.8g
Calories
79kcal
Protein
8.2g
Fat
3.4g
Total carbs
4.8 g
Fiber
1 g
One serving vs. a 20 g daily net-carb limit 19%

About 313 g of miso soup adds up to 5 g net carbs — roughly 1.3 typical servings.

Nutrition facts for miso soup
NutrientPer servingPer 100 g
Calories79 kcal33 kcal
Total carbohydrate4.8 g2 g
Dietary fiber1 g0.4 g
Net carbs3.8 g1.6 g
Protein8.2 g3.4 g
Fat3.4 g1.4 g

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Frequently asked questions

Is miso soup keto?

Yes — miso soup is keto-friendly. Dashi broth with miso, tofu cubes and seaweed has about 4 g net carbs per cup — one of the best starters at a Japanese restaurant.

How many net carbs are in miso soup?

1 cup (240 g) of miso soup has about 3.8 g net carbs (4.8 g total carbs minus 1 g fiber). Per 100 g, that's 1.6 g net carbs.

How much miso soup can I eat on keto?

About 313 g of miso soup adds up to 5 g net carbs — roughly 1.3 typical servings. On a typical 20 g daily limit, one serving uses about 19% of your carbs.

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Source: Calculated from USDA SR Legacy ingredients for a typical recipe: fish stock (dashi), miso, soft tofu, wakame and scallions. 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.

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