Whole Wheat Bread Calories & Nutrition Facts
Higher fiber than white bread, provides sustained energy and supports digestive health.
Quick answer
How many calories are in Whole Wheat Bread?
Whole Wheat Bread has 247 calories per 100g. A 1 slice (32g) has about 79 calories. It is a moderate-calorie food, with most calories coming from carbs.
Start with your portion
Turn Whole Wheat Bread into a daily plan
Adjust serving
Enter grams or tap a common portion for Whole Wheat Bread.
Daily calorie target
Set the daily intake number before deciding how this serving fits.
Macro targets
Convert calories into protein, carb, and fat targets for the day.
Recipe total
Use this when Whole Wheat Bread is one ingredient in a meal or batch.
Practical Portion Guide for Whole Wheat Bread
| Portion | Calories | Protein | Carbs | Net carbs | Fat |
|---|---|---|---|---|---|
| 1 slice (32g) | 79 kcal | 4.2g | 13.1g | 10.9g | 1.1g |
| 1 oz (28.4g) | 70 kcal | 3.7g | 11.6g | 9.6g | 1.0g |
| 100g USDA reference | 247 kcal | 13.0g | 41.0g | 34.0g | 3.4g |
Use gram-based portions when precision matters, especially during weight loss or macro tracking.
% Daily Value: 1 slice (32g) vs 100g
Percent Daily Values use the FDA reference amounts for adults (protein 50g, fiber 28g, carbohydrate 275g, fat 78g, sodium 2,300mg, cholesterol 300mg, potassium 4,700mg). The FDA label guide treats 20% DV or more per serving as high and 5% DV or less as low. Potassium comes from USDA FoodData Central FDC ID 172688 (Bread, whole-wheat, commercially prepared); the other values are this page's 100g reference scaled to the portion.
| Nutrient | Per 100g | % DV | 1 slice (32g) | % DV |
|---|---|---|---|---|
| Protein | 13g | 26% | 4.2g | 8% |
| Dietary fiber | 7g | 25% | 2.2g | 8% |
| Total carbohydrate | 41g | 15% | 13.1g | 5% |
| Total fat | 3.4g | 4% | 1.1g | 1% |
| Sodium | 450mg | 20% | 144mg | 6% |
| Cholesterol | 0mg | 0% | 0mg | 0% |
| Potassium (USDA) | 254mg | 5% | 81mg | 2% |
Source: FDA Daily Values (21 CFR 101.9), checked September 17, 2026. USDA record: FDC ID 172688.
Serving Size Calculator
Macros Breakdown (per 100g)
Diet Suitability
Glycemic Index: 69 (Medium)
How Whole Wheat Bread Fits Into a Diet
Whole Wheat Bread can fit a balanced diet when portioned against your calorie and macro targets.
Build meals around protein, fiber, and minimally processed ingredients to make the portion more filling.
Preparation method, brand, and added ingredients can change the final nutrition values.
Plan Around Whole Wheat Bread
Compare Whole Wheat Bread With Similar Grains & Cereals
Use this comparison when choosing a serving. Calories alone do not tell the full story: protein, fiber, fat, sodium, and realistic portion size determine whether a food fits your plan.
| Food | Calories | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| Whole Wheat Bread | 247 kcal | 13g | 41g | 3.4g | 7g |
| White Rice (Cooked) | 130 kcal | 2.7g | 28g | 0.3g | 0.4g |
| Oats (Rolled) | 389 kcal | 17g | 66g | 7g | 11g |
| Pasta (Cooked, Whole Wheat) | 124 kcal | 5g | 25g | 0.5g | 3.2g |
| Quinoa (Cooked) | 120 kcal | 4.4g | 22g | 1.9g | 2.8g |
| Brown Rice (Cooked) | 112 kcal | 2.6g | 23g | 0.9g | 1.8g |
All comparison values use each food's 100-unit reference so foods can be compared on the same basis.
Vitamins & Minerals
Vitamins
Minerals
Complete Nutrition Facts (per 100g)
% DV = percent of the FDA Daily Value for a 2,000-calorie diet, per 100g. Total sugars have no Daily Value; the FDA value applies to added sugars only.
Methodology & Nutrition Data Sources
How we calculate nutrition data for Whole Wheat Bread: Calorie and macronutrient values are standardized reference profiles, generally based on USDA FoodData Central entries where available, then scaled to the serving you choose. Entries may come from different FDC data types or releases, and brand or preparation differences can change the numbers.
- Calorie and macronutrient data sourced from the USDA FoodData Central , the federal food composition database used as the main reference where a matching entry exists.
- Daily Value context: for % DV comparisons, use the FDA Daily Value reference amounts for a 2,000 calorie diet (21 CFR 101.9).
- Dietary reference intakes (DRI) for vitamins and minerals are available in the National Academies Dietary Reference Intake tables for further reading; this page does not calculate DRI percentages.
- Glycemic index values are approximate listed values; GI varies by variety, ripeness, and preparation, so compare with the Harvard Health Glycemic Index Reference and the University of Sydney GI database.
- Dietary guidelines context from the HHS/USDA Dietary Guidelines for Americans 2020–2025 , the federal evidence-based nutrition guidance.
Authoritative nutrition data sources:
- USDA FoodData Central, comprehensive food composition database
- FDA Nutrition Facts Label rules, % Daily Value methodology
- NIH Office of Dietary Supplements, vitamin and mineral research
- CDC Nutrition, Public Health Guidance, chronic disease and diet
- HHS/USDA Dietary Guidelines 2020–2025, federal nutrition recommendations
- Harvard T.H. Chan School of Public Health, The Nutrition Source, evidence-based dietary guidance
Nutrition Disclaimer: Calorie and nutrient values are generally based on USDA reference data and may vary by brand, preparation method, ripeness, and cooking technique. These values are for informational purposes only and should not replace personalized dietary advice from a registered dietitian. Individuals with medical conditions should consult a healthcare provider before making significant dietary changes.
Reviewed by Priya Lindqvist · Last updated September 17, 2026 · Values may not reflect the newest USDA FoodData Central release
Track Your Nutrition
Use our free calorie calculator to find out exactly how many calories you need per day.
Frequently Asked Questions
How many calories are in 1 slice Whole Wheat Bread?
1 slice (32g) of Whole Wheat Bread has about 79 calories, 4.2g protein, 13.1g carbohydrates, 2.2g fiber, and 1.1g fat. The 32g portion weight is the USDA FoodData Central household measure for FDC ID 172688 (Bread, whole-wheat, commercially prepared), scaled from the 100g reference values.
Is Whole Wheat Bread high in protein?
Whole Wheat Bread has 13g protein per 100g, which is 26% of the 50g FDA Daily Value. 1 slice (32g) supplies about 4.2g, or 8% DV. Under the FDA label guide (20% DV or more per serving is high, 5% or less is low), that serving counts as a moderate protein contribution.
Is Whole Wheat Bread a good source of potassium?
USDA FoodData Central lists 254mg potassium per 100g for Bread, whole-wheat, commercially prepared (FDC ID 172688), which is 5% of the 4,700mg Daily Value. 1 slice (32g) provides about 81mg, or 2% DV, a low contribution by the FDA 5% guide.
How many calories are in Whole Wheat Bread?
Whole Wheat Bread contains 247 calories per 100g serving. Using general 4-4-9 calorie factors, that is roughly 52 calories from protein, 164 calories from carbohydrates, and 31 calories from fat; these estimates may not add up exactly to the listed total.
Is Whole Wheat Bread good for weight loss?
Whole Wheat Bread can be part of a weight loss diet with 247 calories per 100g. Monitor portion sizes and balance it with other low-calorie foods throughout the day.
How much protein is in Whole Wheat Bread?
Whole Wheat Bread contains 13g of protein per 100g. This provides a moderate amount of protein, contributing well to daily protein goals.
What serving size should I track for Whole Wheat Bread?
Track Whole Wheat Bread by grams when precision matters. A practical starting point is 1 slice (32g), which is about 79 calories. For packaged, restaurant, fried, sauced, or sweetened versions, use the product label because brand formulas can differ from the plain reference.
Is Whole Wheat Bread keto-friendly?
Whole Wheat Bread is not ideal for strict keto diets due to its 41g of carbohydrates per 100g. Small portions may fit if your daily carb limit allows.
Is Whole Wheat Bread good for diabetics?
People with diabetes should use caution with Whole Wheat Bread, which has a listed glycemic index of 69. Its carbohydrate content may affect blood sugar response depending on portion size and meal context. Consult your healthcare provider for personal advice.
What vitamins and minerals are in Whole Wheat Bread?
Calorique's food profile lists vitamins B1, B2, B3, B9, B6 and minerals including Manganese, Selenium, Phosphorus, Magnesium for Whole Wheat Bread. These are general highlights, not measured amounts or a "good source" rating; check USDA FoodData Central or the product label for exact micronutrient values.
Where does Calorique get nutrition data for Whole Wheat Bread?
Calorique standardizes Whole Wheat Bread nutrition values per 100g using USDA FoodData Central reference fields where available, then scales the data into realistic serving sizes. FDA Nutrition Facts methodology and authoritative nutrition references are used for context. This page was last reviewed September 17, 2026.
Related Calculators
White Rice (Cooked)
130 cal · 2.7g protein per 100g
Oats (Rolled)
389 cal · 17g protein per 100g
Pasta (Cooked, Whole Wheat)
124 cal · 5g protein per 100g
Quinoa (Cooked)
120 cal · 4.4g protein per 100g
Brown Rice (Cooked)
112 cal · 2.6g protein per 100g
Barley (Cooked)
123 cal · 2.3g protein per 100g
Corn (Sweet, Cooked)
86 cal · 3.2g protein per 100g
Rye Bread
259 cal · 8.5g protein per 100g