Mars bar

Packaged product Sweets og Desserter Mars

Mars bar contains 436 kcal per 100 g. A serving, 1 serving, 47 g (47 g) provides about 205 kcal.

Roughly 64 % of its calories come from carbohydrates, with 33 % from fat and 3 % from protein (estimated with general energy factors).

That is less energy than the typical item in sweets og desserter on FoodFactly, where the median is 517 kcal per 100 g across 489 products.

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
436kcal per 100 g
3,4 gprotein
70,4 gcarbohydrates
16,4 gfat
205kcal in serving, 1 serving, 47 g (47 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 436 kcal
Total fat L 16,4 g 21 %
Saturated fat L 7,7 g 38 %
Trans fat L 0 g
Cholesterol L 6,4 mg 2 %
Sodium L 115 mg 5 %
Total carbohydrates L 70,4 g 26 %
Dietary fiber L 1,3 g 5 %
Total sugars L 57,2 g
Added sugars L 53,7 g 107 %
Protein L 3,4 g 7 %

% 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: 3 %Carbohydrates: 64 %Fat: 33 %436kcal / 100 g
  • Protein 3 %
  • Carbohydrates 64 %
  • Fat 33 %

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Nutritional insights

  • Protein3,4 gin the lowest quarter of sweets og desserter (median 6,4 g)
  • Fiber1,3 gbelow the median for sweets og desserter (median 2,4 g)
  • Sugars57,2 gin the top quarter of sweets og desserter (median 49 g)
  • Fat16,4 gin the lowest quarter of sweets og desserter (median 29,3 g)
  • Saturated fat7,7 gin the lowest quarter of sweets og desserter (median 16,9 g)
  • Sodium115 mgabove the median for sweets og desserter (median 97,4 mg)
  • Protein per 100 kcal0,78 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Mars
Barcode
93682459
Quantity
47g
Label serving
1 serving (47 g)
Category
Chokoladestænger af slik
Nutri-Score
E as computed by Open Food Facts
NOVA group
4 processing level (1 to 4), as classified by Open Food Facts

Ingredients

sugar, wheat glucose syrup, skim milk powder, cocoa butter, cocoa mass, vegetab oil (sunflower), lactose, milk fat, barley malt extract, vegetable fat (palm and shea), cocoa powder, emulsifier (soy lecithin), salt, egg whites, natural flavour (vanilla extract), for malaysia and brunei: contains permitted flavours and emulsifiers, may contain: peanuts and treenuts,

As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.

Ingredient guides: SukkerGlucosesirupKakaosmørSaltÆgPalmeolie

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Milkybar Choo Nestlé 434 4,8 g 68,9 g 15,4 g
Boombastic şölen 439 5,8 g 65,4 g 16,6 g
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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 436 kcal. Serving, 1 serving, 47 g (47 g): about 205 kcal.

How much protein is in Mars bar?

Mars bar contains 3,4 g of protein per 100 g (7 % of the 50 g Daily Value), or 1,6 g in serving, 1 serving, 47 g (47 g). About 3 % of its calories come from protein. Compared with other sweets og desserter, that is in the lowest quarter (median 6,4 g).

How many carbs are in Mars bar?

Mars bar has 70,4 g of total carbohydrates per 100 g, including 1,3 g of fiber and 57,2 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 16,4 g of fat per 100 g, of which 7,7 g is saturated (38 % of the Daily Value).

How much sodium is in Mars bar?

100 g contains 115 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. oktober 2026. FoodFactly last checked it on 6. november 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • Open Food Facts, record 93682459. License: ODbL 1.0 (Open Food Facts). Source record dated 30. oktober 2026. Imported 6. november 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.