Mars Bar

Packaged product Otros alimentos Mars

Mars Bar contains 443 kcal per 100 g. A serving, 1 portion, 51 g (51 g) provides about 226 kcal.

Roughly 64% of its calories come from carbohydrates, with 32% from fat and 4% from protein (estimated with general energy factors).

That is more energy than the typical item in otros alimentos on FoodFactly, where the median is 270 kcal per 100 g across 274.655 products.

100 g provides 10% of the Daily Value for potasio.

The values are as declared on the product label and entered by Open Food Facts contributors.

Mars Bar by Mars, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
443kcal per 100 g
4,5 gprotein
70,6 gcarbohydrates
15,9 gfat
226kcal in serving, 1 portion, 51 g (51 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 443 kcal
Total fat L 15,9 g 20%
Saturated fat L 7,5 g 37%
Trans fat L 0,098 g
Sodium L 108 mg 5%
Total carbohydrates L 70,6 g 26%
Dietary fiber L 1,4 g 5%
Total sugars L 60,8 g
Protein L 4,5 g 9%
Potasio L 475 mg10%

% 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: 4%Carbohydrates: 64%Fat: 32%443kcal / 100 g
  • Protein 4%
  • Carbohydrates 64%
  • Fat 32%

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

Potasio10%

Nutritional insights

  • Protein4,5 gbelow the median for otros alimentos (median 6,9 g)
  • Fiber1,4 gbelow the median for otros alimentos (median 1,8 g)
  • Sugars60,8 gin the top quarter of otros alimentos (median 3,5 g)
  • Fat15,9 gabove the median for otros alimentos (median 6,4 g)
  • Saturated fat7,5 gin the top quarter of otros alimentos (median 1,9 g)
  • Sodium108 mgbelow the median for otros alimentos (median 236 mg)
  • Protein per 100 kcal1 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Mars
Barcode
0872513001702
Label serving
1 portion (51 g)
Category
Otros alimentos

Ingredients

Ingredients not reported.

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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 443 kcal. Serving, 1 portion, 51 g (51 g): about 226 kcal.

How much protein is in Mars Bar?

Mars Bar contains 4,5 g of protein per 100 g (9% of the 50 g Daily Value), or 2,3 g in serving, 1 portion, 51 g (51 g). About 4% of its calories come from protein. Compared with other otros alimentos, that is below the median (median 6,9 g).

How many carbs are in Mars Bar?

Mars Bar has 70,6 g of total carbohydrates per 100 g, including 1,4 g of fiber and 60,8 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 15,9 g of fat per 100 g, of which 7,5 g is saturated (37% 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 potasio (10% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Mars Bar?

100 g contains 108 mg of sodium, 5% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated 30 de abril de 2025. FoodFactly last checked it on 6 de noviembre de 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • Open Food Facts, record 0872513001702. License: ODbL 1.0 (Open Food Facts). Source record dated 30 de abril de 2025. Imported 6 de noviembre de 2026.

Last updated: . Data quality score: 90/100 (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.