Calories in dark chocolate

USDA data · Updated October 12, 2026

Dark chocolate (1 oz, 28 g) has 170 calories, with 2.2 g of protein, 13 g of carbohydrates and 12.1 g of fat. Per 100 g, that's 598 kcal.

Values are for Chocolate, dark, 70-85% cacao solids. Amounts vary with size, variety and preparation.

Dark chocolate (70–85%)

Per 1 oz (28 g)


Calories170

Protein2.2 g
Carbohydrates13 g
   Fiber3.1 g
   Sugars6.8 g
Fat12.1 g
Sodium6 mg

Source: USDA FoodData Central.

Calories in dark chocolate by serving

ServingWeightCaloriesProteinCarbsFat
100 g100 g5987.8 g45.9 g42.6 g
1 oz28 g1702.2 g13 g12.1 g
1 bar101 g6047.9 g46.4 g43.1 g

Where the calories come from

Protein 5%Carbs 31%Fat 64%

Dark chocolate (70–85%) has a high energy density (6.0 kcal per gram). It provides 1.3 g of protein per 100 kcal.

Oils, spreads & sweets: calories compared

Per 100 gCaloriesProteinCarbsFat
Honey3040.3 g82.4 g0 g
Sugar3870 g100 g0 g
Dark chocolate (70–85%)5987.8 g45.9 g42.6 g
Mayonnaise6801 g0.6 g74.8 g
Olive oil8840 g0 g100 g
Coconut oil8920 g0 g99.1 g

Log it in seconds

In C for Calories, photograph your plate and dark chocolate is estimated along with everything else on it, or search for it and enter the amount in grams. For packaged versions, scan the barcode to use the label.

Source: U.S. Department of Agriculture, Agricultural Research Service. FoodData Central, SR Legacy, FDC ID 170273. Calories are rounded to the nearest whole number and nutrients to one decimal place.

FAQ

Frequently asked questions

How many calories are in dark chocolate?

170 calories in 1 oz (28 g), or 598 calories per 100 g.

How much protein is in dark chocolate?

2.2 g of protein in 1 oz (28 g) (7.8 g per 100 g).

How many carbs are in dark chocolate?

13 g of carbohydrates in 1 oz (28 g), including 3.1 g of fiber.