Mars Bar
Packaged product Sweets and Desserts Mars
Mars Bar contains 299 kcal per 100 g. A serving, 1 szelet, 51 g (51 g) provides about 152 kcal.
Roughly 69% of its calories come from carbohydrates, with 22% from fat and 9% from protein (estimated with general energy factors).
That is less energy than the typical item in sweets and desserts on FoodFactly, where the median is 450 kcal per 100 g across 19 products.
100 g provides 17% of the Daily Value for iron.
The values are as declared on the product label and entered by Open Food Facts contributors.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 299 kcal | |
| Total fat L | 7.6 g | 10% |
| Saturated fat L | 3.9 g | 20% |
| Trans fat L | 0 g | |
| Cholesterol L | 0 mg | 0% |
| Sodium L | 0.9 mg | 0% |
| Total carbohydrates L | 54.7 g | 20% |
| Dietary fiber L | 4 g | 14% |
| Total sugars L | 0.6 g | |
| Added sugars L | 0 g | 0% |
| Protein L | 7.3 g | 15% |
| Calcium L | 1 mg | 0.1% |
| Iron L | 3 mg | 17% |
% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.
Nutritional breakdown
- Protein 9%
- Carbohydrates 69%
- Fat 22%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Vitamins and minerals, % Daily Value per 100 g
Nutritional insights
- Protein7.3 gin the top quarter of sweets and desserts (median 4.9 g)
- Fiber4 gin the top quarter of sweets and desserts (median 1.9 g)
- Sugars0.6 gin the lowest quarter of sweets and desserts (median 51 g)
- Fat7.6 gin the lowest quarter of sweets and desserts (median 22.7 g)
- Saturated fat3.9 gin the lowest quarter of sweets and desserts (median 12 g)
- Sodium0.9 mgin the lowest quarter of sweets and desserts (median 171 mg)
- Protein per 100 kcal2.4 gprotein density, useful for comparing foods with different calorie levels
Product details
- Brand
- Mars
- Barcode
- 5000159470476
- Quantity
- 51g
- Label serving
- 1 szelet (51 g)
- Category
- Candy chocolate bars filled with caramel
- Nutri-Score
- C as computed by Open Food Facts
- NOVA group
- 4 processing level (1 to 4), as classified by Open Food Facts
Ingredients
sugar, glucose syrup, skimmed milk powder, cocoa butter, cocoa mass, sunflower oil, milk fat, lactose and protein from whey (from milk), whey powder (from milk), palm fat, fat reduced cocoa, barley malt extract, emulsifier (soya lecithin), salt, egg white powder, milk protein, natural vanilla extract. (May contain: peanut). Milk chocolate contains milk solids 14% minimum.
As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.
Ingredient guides: SugarGlucose syrupCocoa butterSunflower oilSaltEggMilk
Similar products
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Barre caramel Mars | 274 | 3.1 g | 31.7 g | 14.8 g |
| Mars Hi Protein Mars | 351 | 33 g | 39 g | 8.1 g |
| Sugar Free Russell Stover | 400 | 6.7 g | 53.3 g | 30 g |
| Minis mix Mars | 437 | 4.2 g | 71 g | 15 g |
| Mars Minis Mars | 441 | 3.9 g | 70.9 g | 15.7 g |
| Japp Marabou | 442 | 3.3 g | 73 g | 15 g |
| Mars® Mini 18g MARS NORGE AS | 443 | 3.9 g | 71 g | 16 g |
| mars mini Nestlé | 443 | 3.9 g | 70.9 g | 15.7 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in Mars Bar?
100 g of Mars Bar has 299 kcal. Serving, 1 szelet, 51 g (51 g): about 152 kcal.
How much protein is in Mars Bar?
Mars Bar contains 7.3 g of protein per 100 g (15% of the 50 g Daily Value), or 3.7 g in serving, 1 szelet, 51 g (51 g). About 9% of its calories come from protein. Compared with other sweets and desserts, that is among the highest quarter (median 4.9 g).
How many carbs are in Mars Bar?
Mars Bar has 54.7 g of total carbohydrates per 100 g, including 4 g of fiber and 0.6 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.
How much fat is in Mars Bar?
Mars Bar contains 7.6 g of fat per 100 g, of which 3.9 g is saturated (20% of the Daily Value).
What vitamins and minerals does Mars Bar contain?
Per 100 g, the most notable amounts relative to the Daily Value are iron (17% DV). The full list is in the vitamins and minerals table above.
How much sodium is in Mars Bar?
100 g contains 0.9 mg of sodium, 0% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From Open Food Facts, record dated February 22, 2026. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- Open Food Facts, record 5000159470476. License: ODbL 1.0 (Open Food Facts). Source record dated February 22, 2026. Imported November 6, 2026.
Last updated: . Data quality score: 95/100 (how it is calculated).
Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.