How many carbs are in sourdough bread?
Sourdough bread (1 slice) has 22 g of total carbs and 1 g of fiber, which is 21 g of net carbs. Per 100 g: 48.9 g carbs, 46.7 g net carbs.
Carbs & keto check
Is sourdough bread keto? Carbs in sourdough bread
Not keto
Not really. Sourdough bread has 21 g net carbs per serving (1 slice); 46.7 g per 100 g. That's 105% of a strict 20 g daily keto limit in a single serving.
Net carbs · 1 slice21 g
Net carbs · 100 g46.7 g
Total carbs22 g
Fiber1 g
Calories110
Protein4 g
43 g of sourdough bread = a whole 20 g net carb day
Nutrition
Carbs in sourdough bread by serving
Net carbs = total carbs − fiber. Values from the Keto.app food database.
| Serving | Net carbs | Carbs | Fiber | kcal | Protein | Fat |
|---|---|---|---|---|---|---|
| 1 slice (45 g) | 21 g | 22 g | 1 g | 110 | 4 g | 0 g |
From Keto.app data
What keto dieters actually log
Sourdough bread has been added to Keto.app food diaries 950 times over about 10 years.
Most-logged results for “sourdough bread”
- 365 Sourdough Bread950
- Healthy Life Sourdough Bread236
- Boudin Sourdough Bread234
- San Luis Sourdough Sourdough Bread146
- Raymond's Sourdough Bread123
Times logged by Keto.app users, over about 10 years.
Keto swap
Keto Bread
3.2 g net carbs per 100 g vs 46.7 g in sourdough bread. Keto.app users have logged keto bread 33,740 times, 35.5× more often than sourdough bread.
FAQ
Sourdough bread on keto
Is sourdough bread keto friendly?
Not really. Sourdough bread has 21 g net carbs per serving (1 slice); 46.7 g per 100 g. That's 105% of a strict 20 g daily keto limit in a single serving.
How much sourdough bread can I eat on keto?
On a strict 20 g net carb day, 43 g of sourdough bread would use your entire carb budget. Most people on keto keep it to a few bites, or skip it.
What can I eat instead of sourdough bread on keto?
Keto Bread is a popular low-carb swap with 3.2 g net carbs per 100 g.
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