How many carbs are in bread?
1 large or thick slice of bread contains about 21.2g of carbohydrate, 20.2g net carbs after subtracting 1g of fiber, 4.1g of protein, and 115 calories.
Carbs by portion size
| Portion | Total carbs | Fiber | Net carbs |
|---|---|---|---|
| 1 slice, snack-size (10g) | 4.9g | 0.2g | 4.7g |
| 1 slice, crust not eaten (13g) | 6.4g | 0.3g | 6.1g |
| 1 small or thin/very thin slice (24g) | 11.8g | 0.6g | 11.3g |
| 1 medium or regular slice (28g) | 13.8g | 0.6g | 13.1g |
| 1 large or thick slice (43g) | 21.2g | 1g | 20.2g |
| 100 grams (100g) | 49.2g | 2.3g | 46.9g |
Net carbs in bread
1 large or thick slice of bread contains 20.2g of net carbs — total carbs (21.2g) minus dietary fiber (1g). Net carbs are the carbs your body actually digests and that raise blood glucose. See our guide to net carbs for how this calculation works and when to use it.
Full nutrition for bread (per 100g)
- Calories: 267 kcal
- Carbohydrate: 49.2g
- Dietary fiber: 2.3g
- Sugars: 5.3g
- Protein: 9.4g
- Fat: 3.6g
Reference values from USDA FoodData Central (survey fndds dataset, fdcId 2343066). Values are per 100 grams.
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Download on the App StoreFrequently asked questions
How many carbs are in bread?
1 large or thick slice of bread contains about 21.2g of total carbohydrate. After subtracting 1g of fiber, the net carbs are about 20.2g.
How many net carbs are in bread?
Net carbs in 1 large or thick slice of bread are about 20.2g — that is total carbs (21.2g) minus dietary fiber (1g). See our net carbs explainer for the full calculation.
Is bread good for diabetics?
Bread contains carbohydrates that will raise blood glucose. Whether it fits your meal plan depends on the portion and your overall daily target. Most U.S. diabetes care teams use total carbs (not net) for insulin dosing — see our diabetes carb-counting guide.
Is bread keto-friendly?
Whether bread fits a keto plan depends on your daily net-carb budget (typically under 20–30g per day). One serving (1 large or thick slice) provides about 20.2g of net carbs.