Sourdough vs Whole-Wheat Bread: Calories and Nutrition Compared (2026)

Sourdough contains 12.0 g of protein, while Whole-wheat bread has 12.3 g. Sourdough has 292 calories, and Whole-wheat bread has 254 calories.

Sourdough and Whole-wheat bread are popular choices for many diets. This comparison highlights their nutritional differences, helping you make informed decisions based on your dietary needs.

What Is the Difference Between Sourdough and Whole-Wheat Bread?

Sourdough is a type of bread made through a fermentation process using naturally occurring lactobacilli and yeast. It typically has a tangy flavor and a chewy texture. Whole-wheat bread is made from whole grain wheat flour, retaining the bran, germ, and endosperm. It is often considered a healthier option due to its higher fiber content.

Sourdough vs Whole-Wheat Bread: Nutrition Side by Side

Below is a side-by-side comparison of Sourdough and Whole-wheat bread's nutritional values.

Nutrient (per 100 g)	Sourdough bread	Whole-wheat bread
Calories	292 kcal	254 kcal
Protein	12.0 g	12.3 g
Carbs	53.5 g	43.1 g
Sugar	1.5 g	4.3 g
Fat	1.7 g	3.5 g
Fiber	2.6 g	6 g
Sodium	142 mg	450 mg

Which Is Better, Sourdough or Whole-Wheat Bread?

For weight loss: Whole-wheat bread has 254 calories, which is 38 fewer calories than Sourdough at 292 calories.

For muscle and protein: Whole-wheat bread has 12.3 g of protein, slightly higher than Sourdough's 12.0 g.

For low-carb or low-sugar: Sourdough contains 53.5 g of carbs and 1.5 g of sugar, while Whole-wheat bread has 43.1 g of carbs and 4.3 g of sugar.

How to Track Sourdough and Whole-wheat bread Accurately

It's easy to misjudge portion sizes and macronutrient content, leading to unintentional calorie intake. Nutrola is an AI nutrition tracking app that identifies foods from a photo and returns calories and macros from a database of more than 1.8 million foods. It also supports barcode scanning and voice logging. Nutrola is available from EUR 2.50 per month and shows no ads on any tier.

How We Compiled These Numbers

The numbers provided are rounded reference values for educational use and should not be considered medical advice. Always consult a healthcare professional for dietary guidance. Values are per 100 g: Sourdough from Open Food Facts (aggregated plain entries), Whole-wheat bread from USDA FoodData Central.

Frequently Asked Questions (FAQ)

Which has more protein?

Whole-wheat bread has 12.3 g of protein, while Sourdough has 12.0 g.

Which has fewer calories?

Whole-wheat bread has 254 calories, while Sourdough has 292 calories.

What is the sugar content in Sourdough?

Sourdough contains 1.5 g of sugar per 100 g.

How much fiber is in Whole-wheat bread?

Whole-wheat bread contains 6 g of fiber per 100 g.

What is the carbohydrate content of Whole-wheat bread?

Whole-wheat bread has 43.1 g of carbohydrates per 100 g.

What is the sodium content in Sourdough?

Sourdough contains 142 mg of sodium per 100 g.

Key Takeaways

• Sourdough has 292 calories per 100 g.
• Whole-wheat bread has 254 calories per 100 g.
• Sourdough contains 12.0 g of protein.
• Whole-wheat bread contains 12.3 g of protein.
• Sourdough has 53.5 g of carbohydrates.
• Whole-wheat bread has 43.1 g of carbohydrates.