Carbs in Sourdough Toast
How many carbs are in sourdough toast?
Sourdough Toast has 43.4g net carbs per 100g — 46.7g total carbs minus 3.3g fiber — plus 16.7g protein, 26.7g fat, and 500 calories. That makes sourdough toast 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, sourdough toast 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.
Keeping an eye on carbs in sourdough toast?
Sourdough Toast 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 sourdough toast keto-friendly?
Sourdough Toast is generally not keto-friendly. It has 43.4g net carbs per 100g (46.7g total carbs − 3.3g 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) | 43.4g | 46.7g | 16.7g | 500 |
| 1 oz (28 g) | 12.2g | 13.1g | 4.7g | 140 |
How many calories are in sourdough toast?
Sourdough Toast has 500 calories per 100g. That's alongside 16.7g protein, 26.7g fat, and 43.4g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 500 |
| Total carbs | 46.7g |
| Net carbs | 43.4g |
| Fiber | 3.3g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 16.7g |
| Fat | 26.7g |
| Sodium | 933mg |
| Potassium | 0mg |
Source: Open Food Facts (Trader Joe's). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
Log sourdough toast in one tap
Snap a photo and CarbMeNot's AI logs the carbs, protein, and fat automatically.
Frequently asked questions
- How many carbs are in sourdough toast?
- Sourdough Toast has 46.7g of total carbs and 43.4g of net carbs per 100 grams.
- How many net carbs are in sourdough toast?
- Sourdough Toast has 43.4g of net carbs per 100 grams (total carbs 46.7g minus 3.3g fiber).
- Is sourdough toast keto-friendly?
- Sourdough Toast is generally not keto-friendly. It has 43.4g net carbs per 100g (46.7g total carbs − 3.3g 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 sourdough toast?
- Sourdough Toast has 500 calories per 100 grams.
Similar foods
CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.