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Mini Mars bar Calories
Milk chocolate with caramel and nougat filling
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 piece (mini) of Mini Mars bar (18 g) has 81 calories. That works out to 448 calories per 100 g. It contains 12.4 g of carbs, 0.7 g of protein, 3 g of fat and 0.2 g of fiber. Its glycemic index is 62 (medium), so it raises blood sugar at a moderate pace.
Mini Mars bar Nutrition Facts
Selected: 1 piece (mini) · 18 g
81
KCAL / 18G
Carbs
12.4g
· 5% DV
Protein
0.7g
· 1% DV
Fat
3g
· 4% DV
Fiber
0.2g
· 1% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 62% · Protein 4% · Fat 34%
Mini Mars bar nutrition facts table · 1 piece (mini) (18 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 81 kcal | |
| Total fat | 3 g | 4% |
| Saturated fat | 1.76 g | 9% |
| Trans fat | 0.02 g | |
| Sodium | 31 mg | 1% |
| Total carbohydrate | 12.4 g | 5% |
| Fiber | 0.2 g | 1% |
| Protein | 0.7 g | 1% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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How Many Calories in 1 Mini Mars bar?
| Serving | Amount | Calories |
|---|---|---|
| 1 piece (mini) | 18 g | 81 kcal |
| 1 serving (mini) | 18 g | 81 kcal |
| 2 piece (double) | 36 g | 161 kcal |
| 1 pack (small) | 36 g | 161 kcal |
| 3 piece (triple) | 54 g | 242 kcal |
| 1 pack (medium) | 54 g | 242 kcal |
| 1 pack (large) | 90 g | 403 kcal |
| 100 g | 100 g | 448 kcal |
Calculated from 448 calories per 100 g.
Frequently Asked Questions About Mini Mars bar
What is inside a Mini Mars bar?
A Mini Mars bar has a milk chocolate coating with caramel and nougat inside. It is a packaged confection made from these components and is classified as an ultra-processed food.
How is a Mini Mars bar different from a full-size Mars bar?
The main difference is the portion size: a Mini Mars bar is a smaller piece with the same familiar combination of chocolate, caramel and nougat. The exact size and pack format can vary by market.
How should you store Mini Mars bars?
Store Mini Mars bars in a cool, dry place away from sunlight, with the packaging sealed. Heat can soften or melt the chocolate, while moisture and temperature swings can affect its surface and texture.
Can Mini Mars bars be frozen?
Yes, Mini Mars bars can be frozen in an airtight container or wrapper. The caramel and nougat will become firm, so let a piece soften at room temperature before eating it.
Why has my Mini Mars bar turned white?
A white film on a Mini Mars bar is usually chocolate bloom, caused when fat or sugar moves to the surface after temperature or moisture changes. It can affect appearance and texture, but does not by itself mean the bar has spoiled.
Can you bake with Mini Mars bars?
Yes, chopped Mini Mars bars can be added to brownies, cookies or cake batter. The caramel softens during baking, so tuck the pieces into the batter to reduce sticking to the pan.
Can you melt a Mini Mars bar in the microwave?
Yes, microwave a Mini Mars bar in short bursts, stirring between each one. Its caramel and nougat soften differently from the chocolate, so the melted mixture may stay thick or uneven rather than becoming a smooth chocolate sauce.
Do Mini Mars bars contain caffeine?
Yes, a Mini Mars bar can contain a small amount of caffeine from its cocoa and chocolate. The exact amount is not stated here, but people who are very caffeine-sensitive may prefer to avoid chocolate close to bedtime.
Are Mini Mars bars the same as Mars Fun Size bars?
Not necessarily. Mini and Fun Size are names used for smaller Mars bars, but the piece size and packaging can differ between countries and product ranges. Compare the individual pack descriptions when choosing between them.
Can Mini Mars bars be eaten after their best-before date?
A Mini Mars bar may lose quality in taste or texture after its best-before date. Do not eat it if the wrapper is damaged or the bar has an unusual smell or appearance, and follow the storage and date information on its pack.
Mini Mars bar Vitamins & Minerals
Vitamins
B12
0.06µg · 3% DV
B2
0.03mg · 2% DV
Biotin
0.25µg · 1% DV
B5
0.03mg · 1% DV
Minerals
Copper
0.03mg · 3% DV
Phosphorus
21mg · 3% DV
Calcium
19mg · 2% DV
Manganese
0.03mg · 1% DV
Sodium
31mg · 1% DV
Potassium ⭐
44mg · 1% DV
Mini Mars bar Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Mini Mars bar
To burn the 81 calories in 1 piece (mini) (18 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
What is Mini Mars bar?
A Mini Mars bar is a bite-sized Mars confection: soft nougat and chewy caramel covered in milk chocolate. It offers the familiar combination of a larger Mars bar in a small, individually portioned piece that is easy to carry and unwrap as a sweet snack.
The chocolate coating gives way to a soft, chewy centre, with caramel bringing most of the sweetness. It is commonly enjoyed as an occasional treat with coffee or tea, tucked into a lunchbox, or shared from a multipack. Nutritionally, it is mainly a source of carbohydrate and provides little fibre, so it is better thought of as a sweet than a filling snack. For a lighter snack break, stick to one mini piece and pair it with fruit.
How Nutritious Is Mini Mars bar?
Nutrient density
Low
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Low
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
Is Mini Mars bar Processed?
NOVA 4
Ultra-Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Mini Mars bar Contain Allergens?
Contains these allergens:
Which Diets Is Mini Mars bar Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
— Not suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Mini Mars bar Fat Profile
SATURATED
1.76g
MONOUNSATURATED
0.85g
POLYUNSATURATED
0.25g
Omega 6:3 ratio 24:1
Above the ideal 4:1 (24:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.