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Dark chocolate (thin layer) Calories
High cocoa, thin layer, antioxidant source
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 slice (thin) of Dark chocolate (thin layer) (10 g) has 54 calories. That works out to 540 calories per 100 g. It contains 4.6 g of carbs, 0.7 g of protein, 3.6 g of fat and 1 g of fiber. Its 0.2 mg of Copper covers 19% of the Daily Value. Its glycemic index is 23 (low), so it raises blood sugar slowly.
Dark chocolate (thin layer) Nutrition Facts
Selected: 1 slice (thin) · 10 g
54
KCAL / 10G
Carbs
4.6g
· 2% DV
Protein
0.7g
· 1% DV
Fat
3.6g
· 5% DV
Fiber
1g
· 4% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 34% · Protein 5% · Fat 61%
Dark chocolate (thin layer) nutrition facts table · 1 slice (thin) (10 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 54 kcal | |
| Total fat | 3.6 g | 5% |
| Saturated fat | 2.1 g | 11% |
| Trans fat | 0 g | |
| Sodium | 1 mg | 0% |
| Total carbohydrate | 4.6 g | 2% |
| Fiber | 1 g | 4% |
| 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 Slice of Dark chocolate (thin layer)?
| Serving | Amount | Calories |
|---|---|---|
| 1 slice (thin) | 10 g | 54 kcal |
| 1 piece (small) | 5 g | 27 kcal |
| 1 slice (extra small) | 5 g | 27 kcal |
| 1 piece (medium) | 15 g | 81 kcal |
| 1 slice (medium) | 15 g | 81 kcal |
| 2 slice (thin) | 20 g | 108 kcal |
| 1 piece (large) | 25 g | 135 kcal |
| 1 serving (medium) | 30 g | 162 kcal |
| 1 serving (large) | 50 g | 270 kcal |
| 100 g | 100 g | 540 kcal |
| 1 pack (whole) | 100 g | 540 kcal |
Calculated from 540 calories per 100 g.
Frequently Asked Questions About Dark chocolate (thin layer)
Is thin-layer dark chocolate good for you?
It can be: cocoa-rich dark chocolate contains antioxidant compounds, including flavanols. It is still a sweet treat, so enjoy a thin piece in moderation rather than treating it as a health food.
Does thin-layer dark chocolate contain caffeine?
Yes. Cocoa naturally contains caffeine, so thin-layer dark chocolate has some too. The amount varies with the cocoa content and portion, and no exact caffeine figure is available for this product.
Can thin-layer dark chocolate keep you awake at night?
Yes, it may affect sleep if you are sensitive to caffeine, particularly when eaten late in the day. If you notice this effect, have your thin-layer dark chocolate earlier.
Is thin-layer dark chocolate toxic to dogs?
Yes. Dark chocolate contains theobromine and caffeine, which are toxic to dogs. If your dog eats thin-layer dark chocolate, contact a veterinarian promptly, even if the piece looks small.
Why does thin-layer dark chocolate get a white coating?
A white film on thin-layer dark chocolate is usually fat or sugar bloom, caused by temperature changes or moisture. It is generally a quality change rather than a sign that the chocolate is unsafe.
How do you melt thin-layer dark chocolate without burning it?
Break the thin-layer dark chocolate into small pieces and melt it gently over low heat or in a dry bowl over simmering water. Keep water and steam out, since moisture can make it seize.
Should thin-layer dark chocolate be refrigerated?
Usually not. Store thin-layer dark chocolate sealed in a cool, dry place away from strong smells; moisture and temperature changes in a refrigerator can cause a pale surface bloom.
Can thin-layer dark chocolate be used instead of milk chocolate in baking?
Yes, thin-layer dark chocolate can replace milk chocolate in many recipes, but it gives a more intense cocoa taste and less sweetness. Adjust the recipe’s sugar to suit your preference.
Can thin-layer dark chocolate trigger migraines?
It can trigger a migraine in some people, although it is not a trigger for everyone. If you repeatedly notice headaches after eating thin-layer dark chocolate, track the pattern and discuss it with a clinician.
Can people with diabetes eat thin-layer dark chocolate?
Yes, but its carbohydrates can affect blood glucose, so portion size matters. If you use glucose-lowering medication or need a personal portion plan, ask your doctor or dietitian.
Dark chocolate (thin layer) Vitamins & Minerals
Vitamins
Vitamin E
0.15mg · 1% DV
B1
0.01mg · 1% DV
Biotin
0.2µg · 1% DV
B3
0.09mg · 1% DV
Minerals
Copper
0.17mg · 19% DV
Magnesium
23mg · 5% DV
Manganese
0.12mg · 5% DV
Iron
0.85mg · 5% DV
Potassium ⭐
42mg · 1% DV
Sodium
1mg · 0% DV
Dark chocolate (thin layer) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Dark chocolate (thin layer)
To burn the 54 calories in 1 slice (thin) (10 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 Dark chocolate (thin layer)?
Dark chocolate in a thin layer is a slim piece or coating of cocoa-rich chocolate, eaten on its own or used to finish desserts. It has a deep cocoa flavour with a pleasantly bitter edge; the thin shape snaps easily and melts quickly on the tongue. You might find it served as a small sweet alongside coffee, or layered over fruit, biscuits and cakes.
Its fibre content is notable, though chocolate is energy-dense, so a little can go a long way. A typical thin slice is about 10 g. Pair it with berries or orange, or enjoy it with unsweetened coffee for a simple treat that keeps the chocolate flavour in focus.
How Nutritious Is Dark chocolate (thin layer)?
Nutrient density
Medium
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
Medium
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 Dark chocolate (thin layer) Processed?
NOVA 3
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 Dark chocolate (thin layer) Contain Allergens?
No known major allergens
Which Diets Is Dark chocolate (thin layer) 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
Dark chocolate (thin layer) Fat Profile
SATURATED
2.1g
MONOUNSATURATED
1.1g
POLYUNSATURATED
0.25g
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Nutrition data compiled from USDA FoodData Central and scientific sources.