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Calories in Bread
100 g of bread has 267 kcal, and 1 slice of bread (24 g) has about 64 kcal.
267 kcalper 100 g
64 kcal in 1 small or thin/very thin slice (24 g)
High density · 2.7 kcal per g
- Protein 9.4g 14% of the calories
- Carbs 49.2g 74% of the calories
- Fat 3.6g 12% of the calories
- Fiber 2.3g
Per 100 g. Figures from USDA FoodData Central. Averages across measured samples; a few percent either way is normal. Updated 2026-10-04.
100 g is about 65 minutes of walking, or 23 minutes of running, for a 70 kg body - context, not a debt to work off.
Bread nutrition facts
A dash means nobody measured it - not that there is none of it.
| Nutrient | Per 100 g | Per serving |
|---|---|---|
| Energy | 267kcal | 64kcal |
| Fat | 3.6g | 0.86g |
| Saturated Fat | 0.82g | 0.2g |
| Unsaturated Fat | 2.8g | 0.66g |
| Carbs | 49.2g | 11.8g |
| Sugars | 5.3g | 1.3g |
| Fiber | 2.3g | 0.55g |
| Protein | 9.4g | 2.3g |
| Salt | 1.1g | 0.27g |
| Water | 35.7g | 8.6g |
| Alcohol | 0g | 0g |
|---|---|---|
| Caffeine | 0mg | 0mg |
| Monounsaturated | 0.72g | 0.17g |
|---|---|---|
| Polyunsaturated | 1.9g | 0.45g |
| Omega-3 | 0.2g | 0.048g |
| ALA | 0.2g | 0.048g |
| DHA | 0g | 0g |
| EPA | 0.002g | 0g |
| Omega-6 | 1.7g | 0.4g |
| AA | 0.002g | 0g |
| LA | 1.7g | 0.4g |
| Cholesterol | 0mg | 0mg |
| Vitamin B1 (Thiamine) | 0.51mg | 0.12mg |
|---|---|---|
| Vitamin B2 (Riboflavin) | 0.24mg | 0.058mg |
| Vitamin B3 (Niacin) | 4.8mg | 1.1mg |
| Vitamin B6 (Pyridoxine) | 0.092mg | 0.022mg |
| Vitamin B12 (Cobalamin) | 0µg | 0µg |
| Folate (Vitamin B9) | 111µg | 26.6µg |
| Vitamin A | 0µg | 0µg |
| Vitamin C | 0mg | 0mg |
| Vitamin D | 0IU | 0IU |
| Vitamin E | 0.22mg | 0.053mg |
| Vitamin K | 0.2µg | 0.048µg |
| Choline | 14.6mg | 3.5mg |
| Calcium | 211mg | 50.6mg |
|---|---|---|
| Copper | 0.12mg | 0.03mg |
| Iron | 3.4mg | 0.81mg |
| Magnesium | 27mg | 6.5mg |
| Phosphorus | 113mg | 27.1mg |
| Potassium | 117mg | 28.1mg |
| Selenium | 23.2µg | 5.6µg |
| Zinc | 0.88mg | 0.21mg |
| Beta-carotene | 0µg | 0µg |
|---|---|---|
| Lycopene | 0µg | 0µg |
| Lutein + zeaxanthin | 44µg | 10.6µg |
Foods with similar calories
Other published foods within reach of 267 kcal per 100 g, so the number has something to sit against.
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Questions about bread
1 slice of bread (24 g) has 2.3 g of protein, and 100 g has 9.4 g. The macro calculator works out how much protein you need a day.
1 slice of bread (24 g) has 0.55 g of fiber, and 100 g has 2.3 g.
1 slice of bread (24 g) has 1.3 g of sugar, and 100 g has 5.3 g.
It depends on the size: thin slice (24 g) about 64 kcal; slice (28 g) about 75 kcal; thick slice (43 g) about 115 kcal.
Yes. 100 g of bread has 111 µg of folate, 56% of what an adult needs in a day.
Moderately. 100 g of bread has 9.4 g of protein, 14% of the calories; a food counts as high in protein from 20%.
100 g of bread covers this much of an adult's daily need: folate 56%, vitamin B1 46%, selenium 42%, calcium 26%.
It can be part of a diet that loses weight: what counts is the total calories you eat in a day, not any single food. 1 slice of bread (24 g) has about 64 kcal. The calorie calculator works out how many you need.
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