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Unsweetened instant coffee Calories
Low-calorie, unsweetened caffeinated beverage with small amounts of micronutrients
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 teaspoon (small) of Unsweetened instant coffee (2 g) has 7 calories. That works out to 353 calories per 100 g. It contains 1.5 g of carbs, 0.2 g of protein, 0 g of fat and 0 g of fiber. Its glycemic index is 0 (low), so it raises blood sugar slowly.
Unsweetened instant coffee Nutrition Facts
Selected: 1 teaspoon (small) · 2 g
7
KCAL / 2G
Carbs
1.5g
· 1% DV
Protein
0.2g
· 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 88% · Protein 12% · Fat 0%
Unsweetened instant coffee nutrition facts table · 1 teaspoon (small) (2 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 7 kcal | |
| Total fat | 0 g | 0% |
| Saturated fat | 0 g | 0% |
| Trans fat | 0 g | |
| Sodium | 0.74 mg | 0% |
| Total carbohydrate | 1.5 g | 1% |
| Fiber | 0 g | 0% |
| Protein | 0.2 g | 0% |
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 Small Teaspoon of Unsweetened instant coffee?
| Serving | Amount | Calories |
|---|---|---|
| 1 teaspoon (small) | 2 g | 7 kcal |
| 1 cup (small) | 2 g | 7 kcal |
| 1 serving (small) | 2 g | 7 kcal |
| 2 teaspoon (double) | 4 g | 14 kcal |
| 1 cup (medium) | 4 g | 14 kcal |
| 1 serving (medium) | 4 g | 14 kcal |
| 1 tablespoon (medium) | 6 g | 21 kcal |
| 1 cup (large) | 6 g | 21 kcal |
| 100 g | 100 g | 353 kcal |
Calculated from 353 calories per 100 g.
Frequently Asked Questions About Unsweetened instant coffee
Does unsweetened instant coffee contain caffeine?
Yes, unsweetened instant coffee contains caffeine; “unsweetened” means no sugar has been added, not that the coffee is caffeine-free. The caffeine amount varies by brand and by how much powder you use.
How do you make unsweetened instant coffee?
Stir unsweetened instant coffee into hot water until it dissolves. Add milk, a milk alternative, or a sweetener if you like; these additions are separate from the coffee itself and can change the drink’s nutrition.
How does unsweetened instant coffee compare with brewed coffee?
Unsweetened instant coffee dissolves in water and leaves no grounds, while brewed coffee is made by steeping or filtering ground beans. Their flavor and caffeine content can differ, and the amount in either drink depends on how it is prepared.
Can unsweetened instant coffee dissolve in cold water?
Yes, unsweetened instant coffee can dissolve in cold water, but it may take longer and form clumps. Mix it first with a small splash of warm water, then add cold water or ice for a smoother drink.
Does unsweetened instant coffee go bad?
Yes, it can lose flavor and quality over time, especially if moisture gets into the jar. Keep unsweetened instant coffee tightly sealed in a cool, dry place, and discard it if you notice mold, an unusual smell, or damaged packaging.
Does unsweetened instant coffee dehydrate you?
No, a moderate amount of unsweetened instant coffee does not usually dehydrate regular coffee drinkers. It contributes fluid, although caffeine can increase urination temporarily, particularly if you rarely consume it.
Can unsweetened instant coffee affect sleep if you drink it at night?
Yes, its caffeine can make it harder to fall asleep or reduce sleep quality, especially when you are sensitive to caffeine. If you notice this effect, have unsweetened instant coffee earlier in the day.
Can unsweetened instant coffee help with weight loss?
No, unsweetened instant coffee does not cause weight loss by itself. Because it has no added sugar, it can replace a higher-sugar coffee drink, but sugar, cream, and flavored syrups added to it increase the drink’s energy content.
Does unsweetened instant coffee break a fast?
For a strict fast, yes: unsweetened instant coffee is still a drink made from coffee, not water. Some intermittent-fasting plans allow plain coffee, but whether it fits depends on the rules you are following.
Is unsweetened instant coffee safe during pregnancy?
Yes, it can be included during pregnancy, but total caffeine intake is generally advised to stay below 200 mg per day. Caffeine varies by brand and serving, so ask your clinician about a limit that suits your pregnancy.
Unsweetened instant coffee Vitamins & Minerals
Vitamins
B3
0.56mg · 4% DV
B2
0.02mg · 2% DV
Folate
0.64µg · 0% DV
B1
0mg · 0% DV
Minerals
Potassium ⭐
71mg · 2% DV
Magnesium
6.54mg · 2% DV
Manganese
0.02mg · 1% DV
Phosphorus
6.06mg · 1% DV
Sodium
0.74mg · 0% DV
Unsweetened instant coffee Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Unsweetened instant coffee
To burn the 7 calories in 1 teaspoon (small) (2 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 Unsweetened instant coffee?
Unsweetened instant coffee is made from brewed coffee extract that has been dried into granules or powder. It dissolves in hot water, so you can make a cup without brewing or adding sugar, and adjust the strength to taste.
It is a convenient everyday option around the world, served black or with milk, and also used in iced coffee and baking. Its roasted, slightly bitter flavour is easy to soften with milk; adding sugar is entirely optional. It contains caffeine and, when prepared plain, contributes very few calories, along with small amounts of micronutrients. For a milder cup, use less coffee or add milk; check the product label if you want to know its caffeine content.
How Nutritious Is Unsweetened instant 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
Low
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 Unsweetened instant coffee Processed?
NOVA 3
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 Unsweetened instant coffee Contain Allergens?
No known major allergens
Which Diets Is Unsweetened instant 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
— Not suitable
Low FODMAP
— Not suitable
Unsweetened instant coffee Fat Profile
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
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Nutrition data compiled from USDA FoodData Central and scientific sources.