Mars Bar
Packaged product Sweets and Desserts Mars
Mars Bar contains 452 kcal per 100 g.
Roughly 62% of its calories come from carbohydrates, with 34% from fat and 4% 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 512 kcal per 100 g across 333 products.
The values are as declared on the product label and entered by Open Food Facts contributors.
Nutrition facts
The source reports no household measures (such as cups or pieces) for this food, so only weights are offered.
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 452 kcal | |
| Total fat L | 17 g | 22% |
| Saturated fat L | 10 g | 50% |
| Sodium L | 124 mg | 5% |
| Total carbohydrates L | 70 g | 25% |
| Dietary fiber | not reported | |
| Total sugars L | 61 g | |
| Protein L | 4 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 4%
- Carbohydrates 62%
- Fat 34%
Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).
Nutritional insights
- Protein4 gin the lowest quarter of sweets and desserts (median 6 g)
- Sugars61 gin the top quarter of sweets and desserts (median 47.1 g)
- Fat17 gin the lowest quarter of sweets and desserts (median 28 g)
- Saturated fat10 gin the lowest quarter of sweets and desserts (median 15.8 g)
- Sodium124 mgabove the median for sweets and desserts (median 96 mg)
- Protein per 100 kcal0.88 gprotein density, useful for comparing foods with different calorie levels
Product details
- Brand
- Mars
- Barcode
- 5000159505949
- Category
- bars-covered-with-chocolate
- Nutri-Score
- E as computed by Open Food Facts
Ingredients
Ingredients not reported.
Similar products
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Creamy marzipan dream Organica | 452 | 3.3 g | 62.7 g | 20.3 g |
| Sticks Mars | 452 | 4 g | 70 g | 17 g |
| Bubblegum M&M’s M&m's | 452 | 4.6 g | 64.7 g | 18.8 g |
| Mini Chocolate rasperries Allen’s | 454 | 6.5 g | 62.5 g | 19 g |
| Chocolate Bar Yc Chocolatier Llc | 450 | 7.5 g | 40 g | 45 g |
| Raspberry Smash Flavour Mars Bar Mars | 450 | 3.4 g | 71.1 g | 16.4 g |
| mars Mars | 449 | 4 g | 70 g | 17 g |
| Salted caramel Pure Heavenly | 456 | 4 g | 44 g | 36 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 452 kcal.
How much protein is in Mars Bar?
Mars Bar contains 4 g of protein per 100 g (8% of the 50 g Daily Value). About 4% of its calories come from protein. Compared with other sweets and desserts, that is in the lowest quarter (median 6 g).
How many carbs are in Mars Bar?
Mars Bar has 70 g of total carbohydrates per 100 g, including 61 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 17 g of fat per 100 g, of which 10 g is saturated (50% of the Daily Value).
How much sodium is in Mars Bar?
100 g contains 124 mg of sodium, 5% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From Open Food Facts, record dated March 25, 2026. FoodFactly last checked it on November 7, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- Open Food Facts, record 5000159505949. License: ODbL 1.0 (Open Food Facts). Source record dated March 25, 2026. Imported November 7, 2026.
Last updated: . Data quality score: 80/100 (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.