USDA reference food · Sweets
Chocolate, dark, 45- 59% cacao solids
1 oz of chocolate, dark, 45- 59% cacao solids (28.35 g) has 150 calories, 1g of protein, 9g of fat and 2g of fiber (USDA FoodData Central, SR Legacy, FDC 170271). It is one of 3 USDA descriptions of dark chocolate.
FoodData Central 170271, SR Legacy, in the April 30, 2026 release; USDA record.
Nutrition Facts
* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.
USDA values per 100 g (SR Legacy), scaled to the portion. Check the USDA record.
- Protein per 100 g
- 4.9g
- more than 38% of 8,218 USDA reference foods
- Calories per 100 g
- 546
- more than 96% of reference foods
- Fiber per 100 g
- 7g
- more than 93% of reference foods
What a portion gives you
Ticks: 5% of the Daily Value (FDA: low) and 20% (high)
Source: USDA FoodData Central, SR Legacy (FDC 170271); FDA Daily Values, 21 CFR 101.9.
Also rich in
Source: USDA FoodData Central (FDC 170271), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Where the calories come from: 45% carbohydrate, 52% fat and 4% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Where it sits among USDA reference foods
| Per 100 g | This food | Share with less |
|---|---|---|
| Calories | 546 | 96% |
| Protein | 4.88 g | 38% |
| Total fat | 31.3 g | 93% |
| Carbohydrate | 61.2 g | 88% |
| Fiber | 7.00 g | 93% |
| Total sugars | 47.9 g | 96% |
| Sodium | 24.0 mg | 24% |
Source: USDA FoodData Central, SR Legacy and Foundation Foods: the 6,012 to 8,218 reference foods that report each value; the share of them with less per 100 g.
Every nutrient in this record (103)
The portion is 1 oz (28.35 g); % DV is for that portion.
Energy, macronutrients and sugars (19)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 1.38 g | 4.88 g | 3% |
| Total lipid (fat) | 8.87 g | 31.3 g | 11% |
| Carbohydrate, by difference | 17.3 g | 61.2 g | 6% |
| Ash | 0.48 g | 1.70 g | |
| Energy | 155 kcal | 546 kcal | |
| Sucrose | 13.1 g | 46.3 g | |
| Glucose | 0 g | 0 g | |
| Fructose | 0 g | 0 g | |
| Lactose | 0.47 g | 1.65 g | |
| Maltose | 0 g | 0 g | |
| Water | 0.27 g | 0.97 g | |
| Total Sugars | 13.6 g | 47.9 g | |
| Galactose | 0 g | 0 g | |
| Fiber, total dietary | 1.98 g | 7.00 g | 7% |
| Cholesterol | 2.27 mg | 8.00 mg | 1% |
| Fatty acids, total trans | 0.032 g | 0.11 g | |
| Fatty acids, total saturated | 5.25 g | 18.5 g | 26% |
| Fatty acids, total monounsaturated | 2.70 g | 9.54 g | |
| Fatty acids, total polyunsaturated | 0.31 g | 1.09 g |
Minerals (10)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 15.9 mg | 56.0 mg | 1% |
| Iron, Fe | 2.27 mg | 8.02 mg | 13% |
| Magnesium, Mg | 41.4 mg | 146 mg | 10% |
| Phosphorus, P | 58.4 mg | 206 mg | 5% |
| Potassium, K | 158 mg | 559 mg | 3% |
| Sodium, Na | 6.80 mg | 24.0 mg | 0% |
| Zinc, Zn | 0.57 mg | 2.01 mg | 5% |
| Copper, Cu | 0.29 mg | 1.03 mg | 32% |
| Manganese, Mn | 0.40 mg | 1.42 mg | 17% |
| Selenium, Se | 0.85 µg | 3.00 µg | 2% |
Vitamins (23)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Vitamin A, RAE | 0.57 µg | 2.00 µg | 0% |
| Carotene, beta | 7.37 µg | 26.0 µg | |
| Carotene, alpha | 1.98 µg | 7.00 µg | |
| Vitamin E (alpha-tocopherol) | 0.15 mg | 0.54 mg | 1% |
| Cryptoxanthin, beta | 0.28 µg | 1.00 µg | |
| Lycopene | 0 µg | 0 µg | |
| Lutein + zeaxanthin | 8.79 µg | 31.0 µg | |
| Tocopherol, beta | 0 mg | 0 mg | |
| Tocopherol, gamma | 1.81 mg | 6.37 mg | |
| Tocopherol, delta | 0.096 mg | 0.34 mg | |
| Tocotrienol, alpha | 0 mg | 0 mg | |
| Tocotrienol, beta | 0 mg | 0 mg | |
| Tocotrienol, gamma | 0.023 mg | 0.080 mg | |
| Tocotrienol, delta | 0 mg | 0 mg | |
| Thiamin | 0.0071 mg | 0.025 mg | 1% |
| Riboflavin | 0.014 mg | 0.050 mg | 1% |
| Niacin | 0.21 mg | 0.72 mg | 1% |
| Pantothenic acid | 0.084 mg | 0.30 mg | |
| Vitamin B-6 | 0.012 mg | 0.042 mg | 1% |
| Vitamin B-12 | 0.065 µg | 0.23 µg | 3% |
| Vitamin K (Menaquinone-4) | 0.028 µg | 0.10 µg | |
| Vitamin K (Dihydrophylloquinone) | 0 µg | 0 µg | |
| Vitamin K (phylloquinone) | 2.30 µg | 8.10 µg | 2% |
Fatty acids (45)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| SFA 4:0 | 0.016 g | 0.057 g | |
| SFA 6:0 | 0.012 g | 0.044 g | |
| SFA 8:0 | 0.0082 g | 0.029 g | |
| SFA 10:0 | 0.024 g | 0.085 g | |
| SFA 12:0 | 0.022 g | 0.078 g | |
| SFA 14:0 | 0.073 g | 0.26 g | |
| SFA 16:0 | 2.16 g | 7.62 g | |
| SFA 18:0 | 2.79 g | 9.84 g | |
| SFA 20:0 | 0.087 g | 0.31 g | |
| MUFA 18:1 | 2.66 g | 9.39 g | |
| PUFA 18:2 | 0.28 g | 1.0 g | |
| PUFA 18:3 | 0.024 g | 0.085 g | |
| PUFA 20:4 | 0.00057 g | 0.0020 g | |
| PUFA 22:6 n-3 (DHA) | 0 g | 0 g | |
| SFA 22:0 | 0.015 g | 0.054 g | |
| MUFA 14:1 | 0.0054 g | 0.019 g | |
| MUFA 16:1 | 0.032 g | 0.11 g | |
| PUFA 18:4 | 0 g | 0 g | |
| MUFA 20:1 | 0.0051 g | 0.018 g | |
| PUFA 20:5 n-3 (EPA) | 0.00028 g | 0.0010 g | |
| MUFA 22:1 | 0 g | 0 g | |
| PUFA 22:5 n-3 (DPA) | 0 g | 0 g | |
| Stigmasterol | 7.09 mg | 25.0 mg | |
| Campesterol | 3.12 mg | 11.0 mg | |
| Beta-sitosterol | 18.7 mg | 66.0 mg | |
| SFA 15:0 | 0.0094 g | 0.033 g | |
| SFA 17:0 | 0.021 g | 0.074 g | |
| SFA 24:0 | 0.0085 g | 0.030 g | |
| TFA 16:1 t | 0.0028 g | 0.010 g | |
| TFA 18:1 t | 0.022 g | 0.078 g | |
| TFA 22:1 t | 0 g | 0 g | |
| TFA 18:2 t not further defined | 0.0068 g | 0.024 g | |
| PUFA 18:2 CLAs | 0.0077 g | 0.027 g | |
| MUFA 24:1 c | 0 g | 0 g | |
| PUFA 20:2 n-6 c,c | 0.00028 g | 0.0010 g | |
| MUFA 16:1 c | 0.029 g | 0.10 g | |
| MUFA 18:1 c | 2.64 g | 9.31 g | |
| PUFA 18:2 n-6 c,c | 0.27 g | 0.95 g | |
| MUFA 22:1 c | 0 g | 0 g | |
| PUFA 18:3 n-6 c,c,c | 0 g | 0 g | |
| MUFA 17:1 | 0 g | 0 g | |
| PUFA 20:3 | 0 g | 0 g | |
| Fatty acids, total trans-monoenoic | 0.025 g | 0.088 g | |
| Fatty acids, total trans-polyenoic | 0.0068 g | 0.024 g | |
| MUFA 15:1 | 0 g | 0 g |
Source: USDA FoodData Central, FDC 170271: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.
Other ways to eat dark chocolate
USDA lists 3 preparations of dark chocolate. The dark chocolate page puts them side by side, per 100 g and per portion.
Next questions
- Every common food in sweetscalories, protein, fat and carbohydrate side by side
- Foods high in fibermore fiber per 100 g than 93% of reference foods
- Foods A to Z
- Compare two foods side by sidecalories, sugar, sodium and protein per 100 g and per portion
Sources for this page
- USDA FoodData Central
- this record and every record it is compared with, April 30, 2026 release. fdc.nal.usda.gov
- FoodData Central documentation
- what branded, SR Legacy, Foundation and survey records are. fdc.nal.usda.gov
- USDA Food and Nutrient Database for Dietary Studies
- survey foods and their household portions. ars.usda.gov
- 21 CFR 101.9, Nutrition labeling of food
- the label format, its rounding and the Daily Values. ecfr.gov
- 21 CFR 101 subpart D, Nutrient content claims
- the FDA thresholds the comparisons count. ecfr.gov
- FDA, How to Understand and Use the Nutrition Facts Label
- the 5% and 20% Daily Value rule. fda.gov