Showing values for 100 g
Nutrition facts
per 100 g% DV = share of the FDA daily value for the selected amount.
Source: Open Food Facts · Confidence: 90% · Barcode (EAN, unverified): 93682459 · Data last verified:
Compare Mars Bar with another foodLog Mars Bar in one tap
You just looked it up. Let the app remember it. Dietly tracks your calories and macros automatically, so you hit your goal without the math.
- Barcode scanner
- AI photo logging
- Free to download
Common questions
How many calories are in Mars Bar?
Mars Bar by Mars has 348 kcal per 100 g.
How much protein is in Mars Bar?
Mars Bar contains 4.1 g of protein per 100 g.
Is Mars Bar high in carbs?
Yes — carbohydrates provide 77% of its calories (82.7 g per 100 g, of which 82.6 g is sugar).
Is Mars Bar high in sugar?
Yes — 82.6 g of sugar per 100 g, roughly 21 teaspoons. Sugar makes up 100% of its carbohydrates.
Is Mars Bar low in sodium?
Yes — just 62.7 mg per 100 g (3% of the daily value), which qualifies as low sodium.
Why does Mars Bar have a Nutri-Score of D?
Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from sugar (82.6 g). Overall that places it in band D.
How much Mars Bar is 100 calories?
About 29 g of Mars Bar equals 100 kcal. It is energy-dense, so small amounts add up quickly.
Is Mars Bar a good source of calcium?
It is a moderate source: 149.4 mg per 100 g, about 11% of the daily value. A 200 g portion covers roughly 22%.
Want this data in your app?
Free API access — barcode lookup, full-text search, macros, micronutrients and Nutri-Score for every food in the catalog.
Explore the Dietly API





