Coffee Drink
Black Coffee: Calories, Caffeine & How to Make It Taste Better
Black coffee is coffee served without milk, cream or a milk alternative. It can be brewed, instant, espresso-based, hot or iced. Sweetening is a separate choice: ask for “black, unsweetened” if you want neither dairy nor sugar. The figures below describe plain brewed coffee, not every drink served black.

Drink Snapshot
- Caffeine
- About 95 mg referenceUSDA generic brewed coffee, 240 g portion96 mg before rounding. Actual coffee may differ substantially; dark color does not measure caffeine.
- Calories
- About 2 kcal240 g plain brewed coffee; no additions2.4 kcal before rounding from USDA composition. Small does not mean literally calorie-free.
Serving, sugar and sources
- Serving
- 240 g plain brewed coffee; a defined reference portion, not a standard café size
- Made with
- Prepared coffee, with no milk or cream
- Sugar
- 0 g reference. Plain coffee only. Black coffee with sugar has added sugar even though it still has no milk.
- Preparation
- Depends on the chosen brewing method
USDA composition reference checked 26 September 2026. The defined portion is weighed finished coffee, not brewing-water input. Figures are not a test of a particular brew. See the full calculation or label comparison.
Key Takeaways
- 1A 240 g portion of plain brewed coffee has about 2 kcal and 0 g sugar in the USDA reference; additions change the total.
- 2About 95 mg caffeine is a generic reference for that portion, not a guarantee. Beans, brewing and serving size matter.
- 3An Americano is one way to drink black coffee. Drip, pour-over, instant and cold brew are other options with different preparation.
On This Page8 Sections
What Counts as Black Coffee?
Coffee without milk or cream is black coffee. That is the distinction in Collins' definition, which also excludes milk substitutes. It does not require a particular roast, bean origin or piece of equipment.
Ordering conventions can be less precise. Specify “black, no sugar or syrup” when that matters, especially for iced drinks. A coffee can look dark and still contain dissolved sweetener. A packaged “3-in-1” coffee containing creamer and sugar is a different product from plain instant coffee.

Calories, Caffeine and Serving Size
A 240 g plain brewed-coffee portion has about 2 kcal, 0 g sugar and a roughly 95 mg caffeine reference. The caffeine figure is an estimate from a generic food-composition record, not a test of your coffee.
The FDA lists 113–247 mg caffeine in 12 US fl oz of regular brewed, non-specialty coffee. That separate reference illustrates why one precise number cannot describe every mug. Do not apply the brewed-coffee figure automatically to espresso, concentrated cold brew or instant coffee.
What Changes When the Serving Gets Bigger?
For the same well-mixed brew, doubling the portion doubles the caffeine and other dissolved ingredients. Our calculation below changes only the weight of the generic USDA reference coffee. It does not compare different café sizes or brewing recipes.
This table scrolls horizontally on smaller screens.
| Finished coffee | Estimated calories | Caffeine reference |
|---|---|---|
| 120 g | About 1 kcal | 48 mg |
| 240 g | About 2 kcal | 96 mg |
| 360 g | About 4 kcal | 144 mg |
Serving calculation and sources
USDA's SR28 entry NDB 14209 reports 1 kcal, 0 g total sugar and 40 mg caffeine per 100 g brewed coffee prepared with tap water. For 240 g, energy is 240 × 1 ÷ 100 = 2.4 kcal; caffeine is 240 × 40 ÷ 100 = 96 mg. The headline rounds these to about 2 kcal and 95 mg. The table retains whole-milligram caffeine values to show the arithmetic. These are finished-coffee weights, not dry grounds or water poured into the brewer.
Adding water to a cup lowers its concentration but does not remove caffeine already in it. Adding milk also changes taste and nutrition without extracting caffeine. For substantially less caffeine, choose decaf coffee; decaf still contains some.
Black Coffee vs. Americano and Other Options
Kaffeost starts with hot black coffee but serves it over pieces of cheese that are eaten with the drink. Once the cheese is included, plain black-coffee nutrition no longer describes the full serving.
Black coffee is a serving description; Americano is a named preparation. An Americano combines espresso and water. It belongs within the broader black-coffee category when no milk or cream is added.
This table scrolls horizontally on smaller screens.
| Your preference | A useful starting point | What makes it different |
|---|---|---|
| A familiar everyday mug | Drip coffee | A machine passes hot water through ground coffee and a filter |
| A manually brewed cup | Pour-over or drip-bag coffee | You control the pours; a drip bag packages grounds and filter together |
| Espresso flavor in a longer drink | Americano or long black | Water is combined with brewed espresso |
| A quick cup without loose grounds | Instant coffee | Already-brewed, dried coffee dissolves in water |
| A cold drink | Iced coffee or cold brew | Iced coffee is served cold; cold brew also specifies cool-water extraction |
For single-serve machines, select a coffee-only capsule or pod and leave out milk additions. The Keurig K-Cup guide explains that system; Nespresso Original focuses on espresso-style capsules. Check ingredients on flavored or specialty products instead of assuming every pod contains only coffee.
How to Make Black Coffee Taste Better
Start with a method you can repeat, then change one thing at a time. Black coffee does not have to taste aggressively bitter. The National Coffee Association's brewing guides explain how equipment and preparation affect the cup; the linked method pages above give the quantities and steps.
- Choose a flavor direction. If smoky bitterness is the problem, try a roast described as chocolatey or nutty instead of choosing the darkest option by habit. Those tasting notes describe flavor impressions, not added sugar.
- Measure consistently. Follow one method's coffee-to-water ratio before making changes. Keep brewing-water input separate from the coffee actually collected.
- Taste after slight cooling. Take small sips as the cup becomes comfortably drinkable. Do not judge the whole brew from a scalding first mouthful.
- Match the adjustment to the problem. For a cup that is simply too concentrated, add a measured splash of water. If it tastes unpleasantly bitter, sour or stale, revisit the grind, extraction and coffee freshness using the method guide.
A clean brewer matters too. NCA explains that leftover oils and residue can affect flavor. A paper-filter brew and a French press also differ in texture; choosing between them can be more useful than adding another spoonful of sugar to a style you dislike.
Benefits, Sugar and Fasting Questions
The clearest nutrition difference is straightforward: plain coffee leaves out the calories and sugar from milk, cream and sweeteners. Compare it with our measured double-double coffee to see what additions contribute. That does not make black coffee a weight-loss treatment. NIDDK describes body weight as influenced by overall energy intake and several other factors.
Does black coffee break a fast? There is no single rule covering every fasting purpose. Follow the instructions for your specific plan or procedure. For example, East Kent NHS guidance for fasting blood tests explicitly excludes black coffee and allows water. Very few calories is not the same as permission to drink it before a medical test.
Common Questions
Can black coffee contain sugar?
Is black coffee stronger than a latte?
Is espresso black coffee?
Can instant coffee be black?
Editor's Take
Sources and Further Reading
6 references
External links open in a new tab
Serving estimates
- USDA Agricultural Research ServiceBrewed coffee, NDB 14209 (PDF, pp. 546-548)Generic 1 kcal, 0 g sugar and 40 mg caffeine per 100 g; the serving table is our arithmetic(opens in a new tab)
- US Food and Drug AdministrationCaffeine amounts varySeparate 12 US fl oz brewed-coffee range; not a test of a home brew(opens in a new tab)
Reader questions
- NIDDKFactors affecting weight and healthOverall energy intake and other factors matter; no coffee-specific weight-loss promise(opens in a new tab)
- East Kent Hospitals NHS TrustFasting for a blood testThese blood-test instructions exclude black coffee; follow the directions for the actual test(opens in a new tab)