Is dark chocolate lower in calories than milk chocolate?

Not really. Both are around 530 to 600 kcal per 100 g, but dark has less sugar and more fibre.

Calories in dark chocolate

Two squares of 70% dark chocolate have about 60 kcal. A 100 g bar has about 600.

By the Calori team · Updated 21 October 2026 · 3 min read

Dark chocolate calories by portion

Portion	Calories	Protein	Carbs	Fat
2 squares (10 g)	60 kcal	0.8 g	3.5 g	4.3 g
Small bar (25 g)	150 kcal	2 g	8.8 g	10.7 g
100 g bar	600 kcal	7.8 g	35 g	42.6 g

Dark chocolate nutrition per 100 g

Energy	600 kcal (2510 kJ)
Protein	7.8 g
Carbohydrate	35 g
of which sugars	24 g
Fat	42.6 g
Fibre	10.9 g

Typical values. Carbohydrate excludes fibre, as on UK food labels. Brands and varieties differ, so check the label where there is one.

Dark chocolate and weight loss

A couple of squares of dark chocolate is a satisfying treat for very few calories. Stronger chocolate is harder to eat a lot of, which helps.

Log it without looking it up

Calori recognises foods like this from a photo and estimates the portion, so you can log a whole plate in one go. Set your daily target with our calorie calculator.

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Frequently asked questions

How many calories are in a square of dark chocolate?: About 30 kcal per 5 g square.
Is dark chocolate lower in calories than milk chocolate?: Not really. Both are around 530 to 600 kcal per 100 g, but dark has less sugar and more fibre.