Fun Size Mars Bars
Packaged product Sweets and Desserts Mars
Fun Size Mars Bars contains 450 kcal per 100 g. A serving, 40 g (40 g) provides about 180 kcal.
Roughly 71% of its calories come from carbohydrates, with 24% from fat and 5% from protein (estimated with general energy factors).
That is close to the median for sweets and desserts on FoodFactly (425 kcal per 100 g).
100 g provides 13% of the Daily Value for Vitamin E.
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 | 450 kcal | |
| Total fat L | 10.3 g | 13% |
| Saturated fat L | 10 g | 50% |
| Trans fat L | 0.1 g | |
| Cholesterol L | 5 mg | 2% |
| Sodium L | 150 mg | 7% |
| Total carbohydrates L | 70 g | 25% |
| Dietary fiber L | 0 g | 0% |
| Total sugars L | 60 g | |
| Added sugars L | 55 g | 110% |
| Protein L | 5 g | 10% |
| Vitamin A L | 0.4 µg | 0% |
| Vitamin C L | 0.3 mg | 0.3% |
| Vitamin D L | 0.055 µg | 0.3% |
| Vitamin E L | 2 mg | 13% |
| Thiamin (B1) L | 0.011 mg | 0.9% |
| Riboflavin (B2) L | 0.054 mg | 4% |
| Niacin (B3) L | 0.037 mg | 0.2% |
| Pantothenic acid (B5) L | 0.093 mg | 2% |
| Vitamin B6 L | 0.01 mg | 0.6% |
| Folate (B9) L | 2.6 µg | 0.7% |
| Vitamin B12 L | 0.11 µg | 5% |
| Calcium L | 50 mg | 4% |
| Iron L | 0.3 mg | 2% |
| Magnesium L | 10.8 mg | 3% |
| Phosphorus L | 37.2 mg | 3% |
| Potassium L | 100 mg | 2% |
| Zinc L | 0.2 mg | 2% |
| Copper L | 0.061 mg | 7% |
| Manganese L | 0.063 mg | 3% |
| Selenium L | 4.1 µg | 7% |
| Iodine L | 9.9 µg | 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 5%
- Carbohydrates 71%
- Fat 24%
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
- Protein5 gin the lowest quarter of sweets and desserts (median 8 g)
- Fiber0 gin the lowest quarter of sweets and desserts (median 5.9 g)
- Sugars60 gin the top quarter of sweets and desserts (median 26.8 g)
- Fat10.3 gin the lowest quarter of sweets and desserts (median 19 g)
- Saturated fat10 gabove the median for sweets and desserts (median 6.3 g)
- Sodium150 mgbelow the median for sweets and desserts (median 163 mg)
- Protein per 100 kcal1.1 gprotein density, useful for comparing foods with different calorie levels
- Water20.7 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Sugars and starch (1)
| Starch L | 0.12 g |
|---|
Carotenoids (1)
| Beta-carotene L | 1.6 µg |
|---|
Other components (2)
| Water L | 20.7 g |
|---|---|
| Alcohol L | 0 g |
Product details
Ingredients
Sugars (sugar, corn syrup, lactose, malted barley extract), Milk ingredients, Modified palm oil, Cocoa butter, Cocoa mass, Cocoa powder, Salt, Soy lecithin, Dried egg-white, Artificial flavour
As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.
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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 Fun Size Mars Bars?
100 g of Fun Size Mars Bars has 450 kcal. Serving, 40 g (40 g): about 180 kcal.
How much protein is in Fun Size Mars Bars?
Fun Size Mars Bars contains 5 g of protein per 100 g (10% of the 50 g Daily Value), or 2 g in serving, 40 g (40 g). About 5% of its calories come from protein. Compared with other sweets and desserts, that is in the lowest quarter (median 8 g).
How many carbs are in Fun Size Mars Bars?
Fun Size Mars Bars has 70 g of total carbohydrates per 100 g, including 0 g of fiber and 60 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.
How much fat is in Fun Size Mars Bars?
Fun Size Mars Bars contains 10.3 g of fat per 100 g, of which 10 g is saturated (50% of the Daily Value).
What vitamins and minerals does Fun Size Mars Bars contain?
Per 100 g, the most notable amounts relative to the Daily Value are Vitamin E (13% DV). The full list is in the vitamins and minerals table above.
How much sodium is in Fun Size Mars Bars?
100 g contains 150 mg of sodium, 7% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From Open Food Facts, record dated April 1, 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 0058496425432. License: ODbL 1.0 (Open Food Facts). Source record dated April 1, 2026. Imported November 6, 2026.
Last updated: . Data quality score: 100/100 (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.