Mars Bar Slice With Rice Krispies

Packaged product Sweets and Desserts Mars

Mars Bar Slice With Rice Krispies contains 449 kcal per 100 g. A serving, 1 bar, 45 g (45 g) provides about 202 kcal.

Roughly 63% of its calories come from carbohydrates, with 33% from fat and 3% from protein (estimated with general energy factors).

That is more energy than the typical item in sweets and desserts on FoodFactly, where the median is 367 kcal per 100 g across 95,978 products.

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

Mars Bar Slice With Rice Krispies by Mars, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
449kcal per 100 g
3.8 gprotein
70.4 gcarbohydrates
16.4 gfat
202kcal in serving, 1 bar, 45 g (45 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 449 kcal
Total fat L 16.4 g 21%
Saturated fat L 8 g 40%
Sodium L 178 mg 8%
Total carbohydrates L 70.4 g 26%
Dietary fiber not reported
Total sugars L 56.4 g
Protein L 3.8 g 8%

% 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: 63%Fat: 33%449kcal / 100 g
  • Protein 3%
  • Carbohydrates 63%
  • 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

  • Protein3.8 gbelow the median for sweets and desserts (median 5.7 g)
  • Sugars56.4 gin the top quarter of sweets and desserts (median 21.2 g)
  • Fat16.4 gabove the median for sweets and desserts (median 13.3 g)
  • Saturated fat8 gabove the median for sweets and desserts (median 5.5 g)
  • Sodium178 mgbelow the median for sweets and desserts (median 180 mg)
  • Protein per 100 kcal0.84 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Mars
Barcode
9300682100533
Label serving
1 bar (45 g)
Category
Sweets and Desserts

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 Slice With Rice Krispies?

100 g of Mars Bar Slice With Rice Krispies has 449 kcal. Serving, 1 bar, 45 g (45 g): about 202 kcal.

How much protein is in Mars Bar Slice With Rice Krispies?

Mars Bar Slice With Rice Krispies contains 3.8 g of protein per 100 g (8% of the 50 g Daily Value), or 1.7 g in serving, 1 bar, 45 g (45 g). About 3% of its calories come from protein. Compared with other sweets and desserts, that is below the median (median 5.7 g).

How many carbs are in Mars Bar Slice With Rice Krispies?

Mars Bar Slice With Rice Krispies has 70.4 g of total carbohydrates per 100 g, including 56.4 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 Slice With Rice Krispies?

Mars Bar Slice With Rice Krispies contains 16.4 g of fat per 100 g, of which 8 g is saturated (40% of the Daily Value).

How much sodium is in Mars Bar Slice With Rice Krispies?

100 g contains 178 mg of sodium, 8% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated September 3, 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 9300682100533. License: ODbL 1.0 (Open Food Facts). Source record dated September 3, 2026. Imported November 6, 2026.

Last updated: . Data quality score: 85/100 (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.