Carbs in Sourdough
Sourdough (per 100 g) contains 46g total carbs, 43.3g net carbs, 1.8g fat, 7.7g protein, and 235 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
43.3g
Net carbs
46g
Total carbs
2.7g
Fiber
7.7g
Protein
1.8g
Fat
235
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 43.3g | 46g | 7.7g | 235 |
| 1 oz (28 g) | 12.1g | 12.9g | 2.2g | 66 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 235 |
| Total carbs | 46g |
| Net carbs | 43.3g |
| Fiber | 2.7g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 7.7g |
| Fat | 1.8g |
| Sodium | 464mg |
| Potassium | 131mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in sourdough?
- Sourdough has 46g of total carbs and 43.3g of net carbs per 100 grams.
- How many net carbs are in sourdough?
- Sourdough has 43.3g of net carbs per 100 grams (total carbs 46g minus 2.7g fiber).
- Is sourdough keto-friendly?
- Sourdough has 43.3g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
- How many calories are in sourdough?
- Sourdough has 235 calories per 100 grams.
