Nutrition facts · USDA data

Calories in Whole-wheat bread

81 calories in 1 slice (32 g) (252 kcal per 100 g)

Whole-wheat bread has 81 calories per 1 slice (32 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 81 kcal 252 kcal
Protein 4 g 12.4 g
Carbs 13.7 g 42.7 g
Fat 1.1 g 3.5 g
Fiber 1.9 g 6 g
Sugar 1.4 g 4.34 g
Sodium 145.6 mg 455 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 (32 g) serving breaks into these macro-derived calorie shares.

  • Protein: 4 g, about 16 kcal, or 19.8% of macro-derived calories.
  • Carbs: 13.7 g, about 54.8 kcal, or 67.9% of macro-derived calories.
  • Fat: 1.1 g, about 9.9 kcal, or 12.3% of macro-derived calories.

That equals 4.9 g protein per 100 calories for this serving.

Serving and 100 g context

The labeled serving is 32 g, which is 0.32 times the 100 g reference amount. That serving lists 81 calories, while the 100 g reference lists 252 kcal.

For macros, the same serving shows 4 g protein, 13.7 g carbs, and 1.1 g fat. The 100 g reference shows 12.4 g protein, 42.7 g carbs, and 3.5 g fat.

Other measured nutrients

Fiber is 1.9 g per 1 slice (32 g) and 6 g per 100 g in the USDA data.

Sugar is 1.4 g per 1 slice (32 g) and 4.34 g per 100 g in the USDA data.

Sodium is 145.6 mg per 1 slice (32 g) and 455 mg per 100 g in the USDA data.

Tracking calories in Whole-wheat bread

Use this page as a fixed reference for Whole-wheat bread, then log the portion you actually ate in TrueCal. Start from the TrueCal home page, see how food logging works, review tracking features, or compare plan details on pricing.

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Data: USDA FoodData Central — Bread, whole-wheat, commercially prepared