Calories in 300g of White Bread
300g of white bread (300 g) has 801 calories. That is 40% of a 2,000 calorie diet.
The calories come from 28 g of protein, 11 g of fat and 148 g of carbohydrates, a split of 14% protein, 12% fat and 74% carbs. For comparison, 250g of white bread has 668 and 500g of white bread has 1335 calories. Burning 801 calories takes about 143 minutes of brisk walking or 65 minutes of running for a 155 lb adult, based on Harvard Health Publishing activity estimates.
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White Bread calories by serving size
Common amounts of white bread with calories and macros. Tap a row for its full nutrition page.
| Serving | Weight | Calories | Protein | Fat | Carbs |
|---|---|---|---|---|---|
| 1/2 cup | 20 g | 53 | 1.9 g | 0.7 g | 9.8 g |
| 1 small slice | 24 g | 64 | 2.3 g | 0.9 g | 12 g |
| 1 slice | 28 g | 75 | 2.6 g | 1 g | 14 g |
| 1 oz | 28 g | 76 | 2.7 g | 1 g | 14 g |
| 1 cup | 40 g | 107 | 3.8 g | 1.4 g | 20 g |
| 1 large slice | 43 g | 115 | 4.1 g | 1.5 g | 21 g |
| 2 small slices | 48 g | 128 | 4.5 g | 1.7 g | 24 g |
| 50g | 50 g | 134 | 4.7 g | 1.8 g | 25 g |
| 2 slices | 56 g | 150 | 5.3 g | 2 g | 28 g |
| 2 large slices | 86 g | 230 | 8.1 g | 3.1 g | 42 g |
| 100g | 100 g | 267 | 9.4 g | 3.6 g | 49 g |
| 4 oz | 113 g | 303 | 11 g | 4.1 g | 56 g |
| 200g | 200 g | 534 | 19 g | 7.2 g | 98 g |
| 300g | 300 g | 801 | 28 g | 11 g | 148 g |
White Bread vs similar foods
Calories per 100 g compared with other breads and baked goods.
White Bread: common questions
How many calories are in 300g of white bread?
300g of white bread weighs about 300 g and has 801 calories.
How much protein is in 300g of white bread?
300g of white bread has 28 g of protein, which is 57% of the 50 g Daily Value.
How many carbs are in 300g of white bread?
300g of white bread has 148 g of carbohydrates, including 6.9 g of fiber and 16 g of sugars.
How much white bread is 100 calories?
100 calories of white bread is 37 g, about 1 1/2 slices of white bread.
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Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2707598. Original description: Bread, white. Portion weights are USDA household measures.