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Classic Coffee Calories
Plain black coffee; low calorie, antioxidant source
In season: Spring · Summer · Autumn · Winter
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 cup (medium) of Classic Coffee (240 g) has 5 calories. That works out to 2 calories per 100 g. It contains 0 g of carbs, 0.5 g of protein, 0 g of fat and 0 g of fiber. Its 1.7 mg of B3 covers 11% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Classic Coffee Nutrition Facts
Selected: 1 cup (medium) · 240 g
5
KCAL / 240G
Carbs
0g
· 0% DV
Protein
0.5g
· 1% DV
Fat
0g
· 0% DV
Fiber
0g
· 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%
Classic Coffee nutrition facts table · 1 cup (medium) (240 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 5 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0 g | 0% |
| Trans fat | 0 g | |
| Sodium | 4.8 mg | 0% |
| Total carbohydrate | 0 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 0.5 g | 1% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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How Many Calories in 1 Cup of Classic Coffee?
| Serving | Amount | Calories |
|---|---|---|
| 1 cup (medium) | 240 g | 5 kcal |
| 1 ounce (small) | 30 g | 1 kcal |
| 1 piece (mini) | 60 g | 1 kcal |
| 100 g | 100 g | 2 kcal |
| 1 cup (small) | 120 g | 2 kcal |
| 1 serving (medium) | 180 g | 4 kcal |
| 1 cup (large) | 350 g | 7 kcal |
| 1 cup (jumbo) | 480 g | 10 kcal |
Calculated from 2 calories per 100 g.
Frequently Asked Questions About Classic Coffee
Does classic coffee keep you awake?
Yes, caffeine in classic coffee can increase alertness and make it harder to fall asleep. How strongly it affects you varies, so avoid drinking it late in the day if you notice restless sleep.
Does classic coffee dehydrate you?
No, classic coffee usually does not dehydrate people who drink it regularly; the water in the cup contributes to fluid intake. Caffeine can have a mild diuretic effect, particularly in people who are not used to it.
How much caffeine is in classic coffee?
The caffeine in classic coffee varies with the beans, brewing method, and cup size. A larger or stronger brew can contain considerably more caffeine, so there is no single amount that applies to every cup.
Is classic coffee good before a workout?
Yes, classic coffee before a workout can improve alertness and may help exercise feel less strenuous because of its caffeine. Try it well before training rather than immediately beforehand if coffee upsets your stomach.
Can you drink classic coffee on an empty stomach?
Yes, you can drink classic coffee on an empty stomach, but it may cause nausea, jitters, or heartburn in some people. If that happens to you, have it with food or switch to a smaller serving.
Does classic coffee break an intermittent fast?
Plain classic coffee is commonly allowed during many intermittent-fasting plans because it contains almost no energy, but fasting rules differ. Additions such as milk, cream, or sugar can change whether your drink fits the plan.
Does classic coffee raise blood pressure?
Yes, classic coffee can temporarily raise blood pressure, especially if you are sensitive to caffeine or do not drink it regularly. If you monitor your blood pressure, take readings before coffee or at a consistent interval afterward.
Why does classic coffee make you poop?
Classic coffee can stimulate bowel activity in some people, sometimes soon after drinking it. Caffeine may contribute, but other coffee compounds can also play a role; the effect varies and is not a reliable treatment for constipation.
Can you drink classic coffee while pregnant?
Yes, classic coffee can be part of pregnancy, but caffeine intake should generally stay below 200 milligrams a day from all sources. Because caffeine content varies by cup and pregnancy needs can differ, ask your prenatal clinician if you are unsure.
Does classic coffee help with weight loss?
No, classic coffee does not cause lasting weight loss by itself. Drinking it plain avoids the extra energy from sweeteners and cream, but caffeine is not a substitute for eating habits and activity that support weight management.
Classic Coffee Vitamins & Minerals
Vitamins
B3
1.68mg · 11% DV
B2
0.05mg · 4% DV
B1
0.02mg · 2% DV
B5
0.07mg · 1% DV
Minerals
Manganese
0.12mg · 5% DV
Magnesium
17mg · 4% DV
Potassium ⭐
118mg · 3% DV
Copper
0.02mg · 2% DV
Sodium
4.8mg · 0% DV
Classic Coffee Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Classic Coffee
To burn the 5 calories in 1 cup (medium) (240 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
What is Classic Coffee?
Classic Coffee is plain coffee made by brewing roasted, ground coffee beans with hot water, without milk or sweeteners. Coffee plants are native to Ethiopia, while Yemen played an important part in the drink’s early history and spread. The name can cover different brewing methods, from filter coffee to espresso, rather than one fixed recipe.
People commonly drink it in the morning, during a work break or after a meal, often alongside breakfast or a small sweet. Its taste can range from mild and fragrant to bold and bitter, depending on the beans and brew. Served black, it is very low in calories—about 2 per 100 g—and contains no carbohydrates. Keep it light by skipping sugar and cream, or pair it with fruit or a pastry if you want a more substantial snack.
How Nutritious Is Classic Coffee?
Nutrient density
Low
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
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.
Is Classic Coffee 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 Classic Coffee Contain Allergens?
No known major allergens
Which Diets Is Classic Coffee 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
Classic Coffee Fat Profile
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
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Nutrition data compiled from USDA FoodData Central and scientific sources.