Baking chocolate, unsweetened, squares
Nutrition facts per 100 g and per 1 oz square Bakers · Sweets
100 g of Baking chocolate, unsweetened, squares provides 642 kcal, 14.3 g protein, 52.3 g fat and 28.4 g carbohydrate (16.6 g fiber). Per 100 g it is high in Copper (359% DV), Iron (97% DV), Zinc (88% DV), Magnesium (78% DV), Dietary fiber (59% DV). Note the Saturated fat (161% DV per 100 g).
Protein 9%Fat 73%Carbohydrate 18%
Calculated from the grams above at 4 kcal/g for protein and carbohydrate and 9 kcal/g for fat, as a share of those three.
Percentage of the FDA Daily Value in one portion. Exact amounts are in the tables below.
What stands out
- Copper: 3.23 mg per 100 g — 359% of the Daily Value. Other top sources →
- Iron: 17.4 mg per 100 g — 97% of the Daily Value. Other top sources →
- Zinc: 9.63 mg per 100 g — 88% of the Daily Value. Other top sources →
- Magnesium: 327 mg per 100 g — 78% of the Daily Value. Other top sources →
- Dietary fiber: 16.6 g per 100 g — 59% of the Daily Value. Other top sources →
- Phosphorus: 400 mg per 100 g — 32% of the Daily Value. Other top sources →
- Protein: 14.3 g per 100 g — 29% of the Daily Value. Other top sources →
- Potassium: 830 mg per 100 g — 18% of the Daily Value. Other top sources →
Before you use this number
- High-dose zinc supplements can cause copper deficiency. This applies to supplements, not to food. People who regularly take high doses of zinc, or use large amounts of zinc-containing denture cream, can develop copper deficiency, because zinc inhibits copper absorption. Evidence: cu-04
Energy and macronutrients
| Nutrient | per 100 g | per 1 oz square Bakers (29 g) | % DV per 1 oz square Bakers |
|---|---|---|---|
| Energy | 642 kcal | 186 kcal | |
| Protein | 14.3 g | 4.15 g | 8% |
| Total fat | 52.3 g | 15.2 g | 19% |
| Saturated fat | 32.3 g | 9.36 g | 47% |
| Monounsaturated fat | 16.1 g | 4.66 g | |
| Polyunsaturated fat | 1.55 g | 0.45 g | |
| Cholesterol | 2 mg | 0.58 mg | 0% |
| Carbohydrate | 28.4 g | 8.24 g | 3% |
| Dietary fiber | 16.6 g | 4.81 g | 17% |
| Sugars (total) | 0.91 g | 0.26 g | |
| Water | 1.34 g | 0.39 g |
Vitamins
| Nutrient | per 100 g | per 1 oz square Bakers (29 g) | % DV per 1 oz square Bakers |
|---|---|---|---|
| Vitamin A (RAE) | 0 µg | 0 µg | 0% |
| Vitamin C | 0 mg | 0 mg | 0% |
| Vitamin D | 0 µg | 0 µg | 0% |
| Vitamin E | 0.4 mg | 0.12 mg | 1% |
| Vitamin K | 9.7 µg | 2.81 µg | 2% |
| Thiamin (B1) | 0.15 mg | 0.04 mg | 4% |
| Riboflavin (B2) | 0.1 mg | 0.03 mg | 2% |
| Niacin (B3) | 1.35 mg | 0.39 mg | 2% |
| Vitamin B6 | 0.03 mg | 0.01 mg | 0% |
| Folate | 28 µg | 8.12 µg | 2% |
| Vitamin B12 | 0 µg | 0 µg | 0% |
| Choline | 45.7 mg | 13.3 mg | 2% |
Minerals
| Nutrient | per 100 g | per 1 oz square Bakers (29 g) | % DV per 1 oz square Bakers |
|---|---|---|---|
| Calcium | 101 mg | 29.3 mg | 2% |
| Iron | 17.4 mg | 5.05 mg | 28% |
| Magnesium | 327 mg | 94.8 mg | 23% |
| Phosphorus | 400 mg | 116 mg | 9% |
| Potassium | 830 mg | 240.7 mg | 5% |
| Sodium | 24 mg | 6.96 mg | 0% |
| Zinc | 9.63 mg | 2.79 mg | 25% |
| Copper | 3.23 mg | 0.94 mg | 104% |
| Selenium | 8.1 µg | 2.35 µg | 4% |
Worth knowing
- Saturated fat is 32.3 g per 100 g, 161% of the Daily Value. The FDA Daily Value is the reference for nutrients to limit. How much that matters depends on your whole day rather than on one food.
How much of your day is this? Daily Values are one reference for everyone. Bioma calculates your personal targets from your body, activity and goal, and shows every meal against them, from a photo. About Bioma →
Source and how to read this
Data: USDA FoodData Central, SR Legacy, release 2018-04 (final), FDC ID 167568. Described in USDA as Baking chocolate, unsweetened, squares; we shorten these names for readability and keep the original here. Values are per 100 g of edible portion as USDA reports them; a serving may be more or less.
Portion: "1 oz square Bakers" = 29 g is the primary household measure USDA records for this food. Per-100 g values let you compare foods; per-portion values are closer to what you actually eat.
% Daily Value: FDA Daily Values for adults and children 4+ (FDA, page updated 2024-03-05). "High" means ≥20% DV and "good source" 10–19% DV — FDA's labelling cut-offs (21 CFR 101.54), which apply per serving; we apply the same cut-offs to 100 g so foods can be compared. No DV exists for energy or total sugars, so those show no percentage.
Checked: 2026-09-15. Methodology. Found an error? learn@humblebee.ltd