1 cup (medium) of Black coffee, unsweetened (240 g) has 2 calories. That works out to 1 calories per 100 g. It contains 0 g of carbs, 0.2 g of protein, 0 g of fat and 0 g of fiber. Its 0.2 mg of B2 covers 14% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.

Black coffee, unsweetened Nutrition Facts

Selected: 100 g

KCAL / 100G

Carbs

· 0% DV

Protein

0.1g

· 0% DV

Fat

· 0% DV

Fiber

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 0% · Protein 100% · Fat 0%

Black coffee, unsweetened Vitamins & Minerals

Vitamins

0.08mg · 6% DV

0.19mg · 1% DV

Folate

2µg · 1% DV

Vitamin A

0µg · 0% DV

Minerals

Magnesium

3mg · 1% DV

Potassium ⭐

49mg · 1% DV

Calcium

2mg · 0% DV

Iron

0mg · 0% DV

How Nutritious Is Black coffee, unsweetened?

Nutrient density

Low

18/ 100

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

40/ 100

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.

Black coffee, unsweetened Glycemic Index

GLYCEMIC INDEX

Low

0 Low5570100

GLYCEMIC LOAD

Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Black coffee, unsweetened

To burn the 1 calories in 100 g:

🚶

1min

Walking (5 km/h)

🏃

1min

Running (8 km/h)

🚴

1min

Cycling

🏊

1min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

Is Black coffee, unsweetened Processed?

NOVA 2

Minimally 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 Black coffee, unsweetened Contain Allergens?

No known major allergens

Gluten free

Dairy free

Eggs free

Peanuts free

Tree nuts free

Fish free

Soy free

Sesame free

Which Diets Is Black coffee, unsweetened Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

✓ Suitable

Low FODMAP

— Not suitable

Black coffee, unsweetened Fat Profile

SATURATED

MONOUNSATURATED

POLYUNSATURATED

Compare Black coffee, unsweetened

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Black coffee, unsweetened vs Turkish coffee6 kcal fewer per 100 g

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Black coffee, unsweetened vs Ayran36 kcal fewer per 100 g

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Black coffee, unsweetened vs Iced Tea19 kcal fewer per 100 g

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Black coffee, unsweetened vs TeaSame calories per 100 g

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Foods Similar to Black coffee, unsweetened

☕️

Turkish coffee

7 kcal

🥛

Ayran

37 kcal

🧊🍵

Iced Tea

20 kcal

🍵

Tea

1 kcal

🥤

Detox Water

2 kcal

🥤

Soda

42 kcal

☕️

Coffee

2 kcal

🥤

Cola

42 kcal

Frequently Asked Questions About Black coffee, unsweetened

How many calories are in unsweetened black coffee?

Unsweetened black coffee provides 1 calorie per 100 g. It contains 0 g of carbohydrates and fat.

Is unsweetened black coffee keto-friendly?

Yes. It contains 0 g of carbohydrates per 100 g and has a glycemic index of 0, making it compatible with a keto diet.

Have another question about Black coffee, unsweetened?

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 21, 2026