Are udon noodles keto?

Udon noodles

Not keto No — udon noodles are not keto-friendly.

Thick, chewy wheat noodles — a single pack has about 42 g net carbs, and a bowl of udon soup at a restaurant often holds more. Ask for the broth and toppings over shirataki or extra vegetables.

Nutrition per serving

1 pack (single serving) · 200 g
Net carbs
42g
Calories
210kcal
Protein
5.2g
Fat
0.8g
Total carbs
43 g
Fiber
1.6 g
One serving vs. a 20 g daily net-carb limit 208%

About 24 g of udon noodles adds up to 5 g net carbs — about 12% of a typical serving.

Nutrition facts for udon noodles
NutrientPer servingPer 100 g
Calories210 kcal105 kcal
Total carbohydrate43 g22 g
Dietary fiber1.6 g0.8 g
Net carbs42 g21 g
Protein5.2 g2.6 g
Fat0.8 g0.4 g

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Better keto swaps for udon noodles

Keto substitutes for pasta & noodles 7 alternatives with carb comparisons and recipes Read guide

Frequently asked questions

Are udon noodles keto?

No — udon noodles are not keto-friendly. Thick, chewy wheat noodles — a single pack has about 42 g net carbs, and a bowl of udon soup at a restaurant often holds more. Ask for the broth and toppings over shirataki or extra vegetables.

How many net carbs are in udon noodles?

1 pack (single serving) (200 g) of udon noodles has about 42 g net carbs (43 g total carbs minus 1.6 g fiber). Per 100 g, that's 21 g net carbs.

How much udon noodles can I eat on keto?

About 24 g of udon noodles adds up to 5 g net carbs — about 12% of a typical serving. On a typical 20 g daily limit, one serving uses about 208% of your carbs.

What is a good keto substitute for udon noodles?

More grains, bread & snacks

Full grains, bread & snacks list

Source: Japanese food composition tables, boiled udon (matches typical labels for pre-cooked udon: about 210 kcal and 43 g carbs per 200 g pack). Net carbs = total carbohydrate − fiber. Rating: Not keto — More than about 10 g net carbs per typical serving. Swap it for a low-carb alternative. How we rate foods. Last reviewed October 18, 2026.

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