Carbs in Soba Noodles
How many carbs are in soba noodles?
Soba Noodles has 67g net carbs per 100g — 70.5g total carbs minus 3.5g fiber — plus 10.6g protein, 1.8g fat, and 335 calories. That makes soba noodles high in net carbs and higher than the typical breads and grain, which averages about 45.2g net carbs per 100g. At this carb count, soba noodles is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
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Soba Noodles runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is soba noodles keto-friendly?
Soba Noodles is generally not keto-friendly. It has 67g net carbs per 100g (70.5g total carbs − 3.5g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 67g | 70.5g | 10.6g | 335 |
| 1 oz (28 g) | 18.8g | 19.7g | 3g | 94 |
How many calories are in soba noodles?
Soba Noodles has 335 calories per 100g. That's alongside 10.6g protein, 1.8g fat, and 67g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 335 |
| Total carbs | 70.5g |
| Net carbs | 67g |
| Fiber | 3.5g |
| Sugar | 3.5g |
| Sugar alcohols | 0g |
| Protein | 10.6g |
| Fat | 1.8g |
| Sodium | 1180mg |
| Potassium | 0mg |
Source: Open Food Facts (Ajisenryu). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in soba noodles?
- Soba Noodles has 70.5g of total carbs and 67g of net carbs per 100 grams.
- How many net carbs are in soba noodles?
- Soba Noodles has 67g of net carbs per 100 grams (total carbs 70.5g minus 3.5g fiber).
- Is soba noodles keto-friendly?
- Soba Noodles is generally not keto-friendly. It has 67g net carbs per 100g (70.5g total carbs − 3.5g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in soba noodles?
- Soba Noodles has 335 calories per 100 grams.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.