Ready & Packaged Foods
All →Vegetables & Legumes
All →Desserts & Confectionery
All →Meat & Protein
All →Grains & Bakery
All →Beverages
All →Milk & Dairy
All →
Filter coffee (unsweetened) Calories
Zero calories, antioxidant source, contains caffeine
In season: Spring · Summer · Autumn · Winter
CALORIES
GI
POTASSIUM
FIBER
Quick answer
1 cup (medium) of Filter coffee (unsweetened) (240 g) has 2 calories. That works out to 1 calories per 100 g. It contains 0.5 g of carbs, 0.2 g of protein, 0 g of fat and 0 g of fiber. Its 0.1 mg of Manganese covers 5% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
What is Filter coffee (unsweetened)?
Unsweetened filter coffee is brewed by pouring hot water through ground, roasted coffee beans held in a filter. The filter catches most of the grounds, leaving a clear cup; the beans’ origin and roast shape its flavour.
It can taste bright and fruity, gently floral or deeply roasted, and is usually served black, with milk on the side, or alongside breakfast and a glass of water. In cafés and homes around the world, it is an everyday brew that can be sipped slowly or poured into a travel mug. With no sugar added, it is nearly calorie-free, while providing caffeine and antioxidants. Enjoy it plain to keep it light, or add a little milk if you prefer a softer taste.
Filter coffee (unsweetened) Nutrition Facts
Selected: 100 g
1
KCAL / 100G
Carbs
0.2g
· 0% DV
Protein
0.1g
· 0% 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 67% · Protein 33% · Fat 0%
Filter coffee (unsweetened) Vitamins & Minerals
Vitamins
B3
0.2mg · 1% DV
B2
0.01mg · 1% DV
B5
0.02mg · 0% DV
B6
0mg · 0% DV
Minerals
Magnesium
7mg · 2% DV
Potassium ⭐
49mg · 1% DV
Phosphorus
7mg · 1% DV
Calcium
2mg · 0% DV
How Nutritious Is Filter coffee (unsweetened)?
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.
Filter coffee (unsweetened) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Filter coffee (unsweetened)
To burn the 1 calories in 100 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.
Is Filter 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 Filter coffee (unsweetened) Contain Allergens?
No known major allergens
Which Diets Is Filter 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
Filter coffee (unsweetened) Fat Profile
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
Compare Filter coffee (unsweetened)
Foods Similar to Filter coffee (unsweetened)
Frequently Asked Questions About Filter coffee (unsweetened)
Does unsweetened filter coffee have more caffeine than espresso?
A typical serving of unsweetened filter coffee often contains more caffeine than a single espresso shot, mainly because the serving is larger. The exact amount varies with the beans, grind, brew ratio, and cup size, so strength alone can be misleading.
How do you make unsweetened filter coffee taste less bitter?
Use freshly ground coffee, a medium grind, and water just below boiling to make unsweetened filter coffee less bitter. Over-extraction—often caused by very fine grounds or excessively long brewing—can make the cup harsh; adding milk is optional, but sugar is not needed.
Does unsweetened filter coffee break an intermittent fast?
Usually, plain unsweetened filter coffee is allowed during a calorie-free intermittent fast because it contains virtually no energy. A strict fast may exclude anything besides water, and adding milk, cream, or sweeteners changes the drink.
Is unsweetened filter coffee acidic?
Yes, unsweetened filter coffee is naturally acidic, though its perceived sharpness varies by bean, roast, and brewing method. A darker roast or cold-brew preparation may taste less sharp, but coffee can still trigger reflux symptoms in some people.
Is unsweetened filter coffee dehydrating?
No, unsweetened filter coffee does not generally dehydrate regular coffee drinkers; its fluid contributes to hydration. Caffeine can increase urination temporarily, especially in people who rarely consume it, but an ordinary cup does not cancel out its fluid.
Can you reheat unsweetened filter coffee?
Yes, you can reheat unsweetened filter coffee, but heating it again often makes its flavor more bitter and flat. Warm it gently rather than boiling it, and discard coffee that has been left out for an extended period.
Is paper-filtered unsweetened filter coffee better for cholesterol than French press coffee?
Yes, paper-filtered unsweetened filter coffee generally contains less cafestol, a coffee oil that can raise LDL cholesterol, than French press coffee. The paper traps much of that oil, while a metal French press filter lets more pass into the cup.
Does unsweetened filter coffee stain your teeth?
Yes, unsweetened filter coffee can stain teeth because its dark pigments cling to the enamel surface. Rinsing with water after drinking can reduce residue; brushing immediately is best avoided, especially if the coffee has made your mouth acidic.
Can you drink unsweetened filter coffee during pregnancy?
Yes, but caffeine from unsweetened filter coffee counts toward the daily amount recommended during pregnancy. Its caffeine content varies by cup and brew, so ask your healthcare professional how much is appropriate for your pregnancy.
How long does brewed unsweetened filter coffee keep in the fridge?
Brewed unsweetened filter coffee keeps for a few days in the refrigerator when stored promptly in a clean, sealed container. Its flavor fades over time, so for the best taste, drink it sooner and avoid leaving it out at room temperature for hours.
Have another question about Filter coffee (unsweetened)?
Ask the AI nutrition coach — calories, portions, alternatives and more, answered in seconds in the app.
Scan calories with your camera
Instant AI nutrition analysis
Nutrition data compiled from USDA FoodData Central and scientific sources.