Food calories · USDA data
Calories in a slice of white bread
77 calories
in 1 slice, 29 g
- Protein
- 2.6 g
- Carbs
- 14.3 g
- Fat
- 1 g
- Fiber
- 0.8 g
A slice of white bread has 77 calories. That is USDA's figure for 1 slice, which weighs 29 g. Per 100 g, white bread has 266 calories.
Almost all of its calories, 75%, come from carbohydrate.
It takes 38 g of white bread to reach 100 calories, which is about 1.3 × 1 slice.
Calories by portion
| Portion | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 slice | 29 g | 77 | 2.6 g | 14.3 g | 1 g |
| 1 cup, crumbs | 45 g | 120 | 4 g | 22.2 g | 1.5 g |
| 1 cup, cubes | 35 g | 93 | 3.1 g | 17.3 g | 1.2 g |
| 1 slice, large | 30 g | 80 | 2.7 g | 14.8 g | 1 g |
| 1 oz | 28.3 g | 75 | 2.5 g | 14 g | 0.9 g |
| 100 g | 100 g | 266 | 8.9 g | 49.4 g | 3.3 g |
Portion weights are USDA's own. Your white 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: 13% of calories (8.9 g per 100 g)
- Carbohydrate: 75% (49.4 g per 100 g, of which 2.7 g fiber)
- Fat: 11% (3.3 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, bagel has the fewest calories of these four (264 per 100 g) and cornbread the most (266).
| Per 100 g | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Slice of white bread | 266 | 8.9 g | 49.4 g | 3.3 g |
| Cornbread | 266 | 6.7 g | 43.5 g | 7.1 g |
| Multigrain bread | 265 | 13.4 g | 43.3 g | 4.2 g |
| Bagel | 264 | 10.6 g | 52.4 g | 1.3 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 a slice of white bread?
A slice of white bread has 77 calories. USDA weighs 1 slice at 29 g, and white bread has 266 calories per 100 g.
How much protein does a slice of white bread have?
1 slice (29 g) has 2.6 g of protein, 5% of the 50 g Daily Value. Per 100 g it is 8.9 g.
How many carbs does a slice of white bread have?
1 slice has 14.3 g of carbohydrate, including 0.8 g of fiber, and 1 g of fat.
Source: USDA FoodData Central, SR Legacy (2018). USDA entry: Bread, white, commercially prepared (includes soft bread crumbs) (FDC ID 174924). Values are averages; a packaged food's label may differ.