Calories in White bread
77 calories in 1 slice (29 g) (266 kcal per 100 g)
White bread has 77 calories per 1 slice (29 g). Use this quick USDA-sourced reference for calories and macros, then log the real meal in TrueCal when portions change.
Nutrition facts
| Nutrient | Per serving | Per 100 g |
|---|---|---|
| Calories | 77 kcal | 266 kcal |
| Protein | 2.6 g | 8.85 g |
| Carbs | 14.3 g | 49.4 g |
| Fat | 1 g | 3.33 g |
| Fiber | 0.8 g | 2.7 g |
| Sugar | 1.6 g | 5.67 g |
| Sodium | 142.1 mg | 490 mg |
Macro calorie breakdown
Using the common 4 kcal per gram for protein, 4 kcal per gram for carbs, and 9 kcal per gram for fat convention, the 1 slice (29 g) serving breaks into these macro-derived calorie shares.
- Protein: 2.6 g, about 10.4 kcal, or 13.6% of macro-derived calories.
- Carbs: 14.3 g, about 57.2 kcal, or 74.7% of macro-derived calories.
- Fat: 1 g, about 9 kcal, or 11.7% of macro-derived calories.
That equals 3.4 g protein per 100 calories for this serving.
Serving and 100 g context
The labeled serving is 29 g, which is 0.29 times the 100 g reference amount. That serving lists 77 calories, while the 100 g reference lists 266 kcal.
For macros, the same serving shows 2.6 g protein, 14.3 g carbs, and 1 g fat. The 100 g reference shows 8.85 g protein, 49.4 g carbs, and 3.33 g fat.
Other measured nutrients
Fiber is 0.8 g per 1 slice (29 g) and 2.7 g per 100 g in the USDA data.
Sugar is 1.6 g per 1 slice (29 g) and 5.67 g per 100 g in the USDA data.
Sodium is 142.1 mg per 1 slice (29 g) and 490 mg per 100 g in the USDA data.
Tracking calories in White bread
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Data: USDA FoodData Central — Bread, white, commercially prepared (includes soft bread crumbs)