Carbs in Buckwheat Soba Noodles
How many carbs are in buckwheat soba noodles?
Buckwheat Soba Noodles has 33g net carbs per 100g — 36g total carbs minus 3g fiber — plus 6g protein, 1g fat, and 180 calories. That makes buckwheat soba noodles high in net carbs and about average for the typical breads and grain, which averages about 45.2g net carbs per 100g. At this carb count, buckwheat 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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Buckwheat 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 buckwheat soba noodles keto-friendly?
Buckwheat Soba Noodles is generally not keto-friendly. It has 33g net carbs per 100g (36g total carbs − 3g 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) | 33g | 36g | 6g | 180 |
| 1 oz (28 g) | 9.2g | 10.1g | 1.7g | 50 |
How many calories are in buckwheat soba noodles?
Buckwheat Soba Noodles has 180 calories per 100g. That's alongside 6g protein, 1g fat, and 33g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 180 |
| Total carbs | 36g |
| Net carbs | 33g |
| Fiber | 3g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 6g |
| Fat | 1g |
| Sodium | 0mg |
| Potassium | 0mg |
Source: Open Food Facts (Roland). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in buckwheat soba noodles?
- Buckwheat Soba Noodles has 36g of total carbs and 33g of net carbs per 100 grams.
- How many net carbs are in buckwheat soba noodles?
- Buckwheat Soba Noodles has 33g of net carbs per 100 grams (total carbs 36g minus 3g fiber).
- Is buckwheat soba noodles keto-friendly?
- Buckwheat Soba Noodles is generally not keto-friendly. It has 33g net carbs per 100g (36g total carbs − 3g 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 buckwheat soba noodles?
- Buckwheat Soba Noodles has 180 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.