Food calories · USDA data
Calories in sourdough bread
77 calories
in 1 oz, 28.4 g
- Protein
- 3.1 g
- Carbs
- 14.7 g
- Fat
- 0.7 g
- Fiber
- 0.6 g
Sourdough bread has 77 calories. That is USDA's figure for 1 oz, which weighs 28.4 g. Per 100 g, sourdough bread has 272 calories.
Almost all of its calories, 76%, come from carbohydrate.
It takes 37 g of sourdough bread to reach 100 calories, which is about 1.3 × 1 oz.
Calories by portion
| Portion | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 slice | 139 g | 378 | 14.9 g | 72.1 g | 3.4 g |
| 1 oz | 28.3 g | 77 | 3 g | 14.7 g | 0.7 g |
| 100 g | 100 g | 272 | 10.8 g | 51.9 g | 2.4 g |
Portion weights are USDA's own. Your sourdough bread may weigh more or less; for an exact number, weigh it and enter the grams in the food calorie lookup.
Where the calories come from
- Protein: 16% of calories (10.8 g per 100 g)
- Carbohydrate: 76% (51.9 g per 100 g, of which 2.2 g fiber)
- Fat: 8% (2.4 g per 100 g)
Shares use the general factors of 4 calories per gram of protein and carbohydrate and 9 per gram of fat, so they can differ a little from USDA's calorie figure. Daily Values are the FDA's adult Daily Values.
Compared with similar foods
Weight for weight, cornbread has the fewest calories of these four (266 per 100 g) and pita bread the most (275).
| Per 100 g | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Sourdough bread | 272 | 10.8 g | 51.9 g | 2.4 g |
| Pita bread | 275 | 9.1 g | 55.7 g | 1.2 g |
| Cornbread | 266 | 6.7 g | 43.5 g | 7.1 g |
| Slice of white bread | 266 | 8.9 g | 49.4 g | 3.3 g |
Work out your own portion
The food calorie lookup has 3,070 foods. Pick a portion or type a weight in grams or ounces, then add foods to a plate to see the total for a meal. To see how a meal fits your day, the calorie calculator works out your daily calories.
Questions people ask
How many calories is in sourdough bread?
Sourdough bread has 77 calories. USDA weighs 1 oz at 28.4 g, and sourdough bread has 272 calories per 100 g.
How much protein does sourdough bread have?
1 oz (28.4 g) has 3.1 g of protein, 6% of the 50 g Daily Value. Per 100 g it is 10.8 g.
How many carbs does sourdough bread have?
1 oz has 14.7 g of carbohydrate, including 0.6 g of fiber, and 0.7 g of fat.
Source: USDA FoodData Central, SR Legacy (2018). USDA entry: Bread, french or vienna (includes sourdough) (FDC ID 172675). Values are averages; a packaged food's label may differ.