Calories in Coffee (Black)
Black coffee is a virtually calorie-free beverage brewed from roasted coffee beans and water. It is a significant source of antioxidants and caffeine, which can enhance mental focus and metabolic rate.

Common Variations
| Variation | Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 mug (8 fl oz) (237g) | 1 mug (8 fl oz) (237g) | 2 | 0.3g | 0.1g | 0.1g |
| 1 fl oz (30g) | 1 fl oz (30g) | 0 | 0g | 0g | 0g |
| 1 coffee cup (6 fl oz) (177g) | 1 coffee cup (6 fl oz) (177g) | 2 | 0.2g | 0.1g | 0g |
| 100 ml | 100 ml | 1 | 0.1g | 0g | 0g |
Health Benefits
Rich in chlorogenic acid and other antioxidants that protect cells from damage.
Contains caffeine which can improve cognitive functions like memory, mood, and energy levels.
May boost metabolic rate and assist in fat burning when consumed as part of a balanced diet.
Nutrition Tips
- Drink it black to enjoy the full antioxidant benefits without added calories from sugar or cream.
- Be mindful of your caffeine sensitivity; avoid consumption late in the day to ensure quality sleep.
- Pair your coffee with a glass of water to maintain hydration, as caffeine has a mild diuretic effect.
- Opt for light or medium roasts if you are looking for higher antioxidant concentrations.
- Avoid adding artificial syrups which can turn a zero-calorie drink into a high-sugar beverage.
GAYA Tracking Tip
For the most accurate tracking, photograph your coffee before adding any milk or sweeteners, as GAYA can better identify the base liquid's volume and type.
Frequently Asked Questions
Does black coffee have any calories?+
Black coffee contains a negligible amount of calories, typically around 2 to 5 calories per cup, which comes from trace amounts of protein and monounsaturated oils.
Is it healthy to drink black coffee every day?+
Yes, for most healthy adults, moderate coffee consumption (3-4 cups per day) is linked to various health benefits, provided it doesn't interfere with sleep or cause jitters.
How much caffeine is in a standard cup of black coffee?+
A standard 8 oz (240ml) cup of brewed black coffee contains approximately 95 mg of caffeine, though this varies by bean type and brewing method.
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