Mars Bar
Packaged product Sweets and Desserts Mars
Mars Bar contains 452 kcal per 100 g. A serving, 1 bar, 32 g (32 g) provides about 145 kcal.
Roughly 63% of its calories come from carbohydrates, with 33% from fat and 3% from protein (estimated with general energy factors).
That is close to the median for sweets and desserts on FoodFactly (471 kcal per 100 g).
100 g provides 14% of the Daily Value for calcium and 13% 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 | 452 kcal | |
| Total fat L | 16.6 g | 21% |
| Saturated fat L | 8.1 g | 41% |
| Cholesterol L | 15.6 mg | 5% |
| Sodium L | 125 mg | 5% |
| Total carbohydrates L | 70.9 g | 26% |
| Dietary fiber L | 3.1 g | 11% |
| Total sugars L | 57.5 g | |
| Protein L | 3.4 g | 7% |
| Calcium L | 188 mg | 14% |
| Iron L | 2.3 mg | 13% |
% 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%
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
- Protein3.4 gbelow the median for sweets and desserts (median 4.6 g)
- Fiber3.1 gabove the median for sweets and desserts (median 2.1 g)
- Sugars57.5 gabove the median for sweets and desserts (median 54.2 g)
- Fat16.6 gin the lowest quarter of sweets and desserts (median 22.2 g)
- Saturated fat8.1 gin the lowest quarter of sweets and desserts (median 13.9 g)
- Sodium125 mgbelow the median for sweets and desserts (median 153 mg)
- Protein per 100 kcal0.76 gprotein density, useful for comparing foods with different calorie levels
Product details
- Brand
- Mars
- Barcode
- 9300682058988
- Quantity
- 64 g
- Label serving
- 1 bar (32 g)
- Category
- caramel-chocolate-bars
- 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, GLUCOSE SYRUP MILK SOLIDS COCOA BUTTER COCOA MASS VEGETABLE OIL VEGETABLE FAT. MALT EXTRACT BARLEY COCOA POWDER, EMULSIFIER (SOY LECITHIN SALT EGG WHITE FLAVOURS
As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.
Ingredient guides: Sugar
Similar products
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Curlywurly imp Cadbury | 454 | 2.1 g | 71 g | 18 g |
| Caramel S'mores Clusters Kirkland Signature | 455 | 2.3 g | 68.2 g | 18.2 g |
| Mars Mars | 449 | 3.2 g | 70.9 g | 16.6 g |
| Fudge Cadbury’s | 447 | 2.3 g | 75 g | 15 g |
| Mars Mars | 441 | 4.5 g | 70 g | 16 g |
| Galaxy Smooth Caramel Galaxy | 483 | 5.4 g | 58.3 g | 24.2 g |
| Galaxy Salted Caramel Galaxy | 498 | 5.9 g | 59 g | 26 g |
| Smooth And Creamy Galaxy Chocolate With Luxurious Smooth Caramel Galaxy | 500 | 5.8 g | 59 g | 26 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. Serving, 1 bar, 32 g (32 g): about 145 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 1.1 g in serving, 1 bar, 32 g (32 g). About 3% of its calories come from protein. Compared with other sweets and desserts, that is below the median (median 4.6 g).
How many carbs are in Mars Bar?
Mars Bar has 70.9 g of total carbohydrates per 100 g, including 3.1 g of fiber and 57.5 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 16.6 g of fat per 100 g, of which 8.1 g is saturated (41% 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 calcium (14% DV) and iron (13% DV). The full list is in the vitamins and minerals table above.
How much sodium is in Mars Bar?
100 g contains 125 mg of sodium, 5% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From Open Food Facts, record dated October 8, 2025. 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 9300682058988. License: ODbL 1.0 (Open Food Facts). Source record dated October 8, 2025. 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.