Is Coffee keto?
Keto-friendly 0 g net carbs per one cup brewed (240 g) — 0% of a 20 g keto day.
Short answer: Yes. One cup brewed (240 g) of coffee: 0 g net carbs — 0% of a strict 20 g keto day — with 0 g fat and 0.2 g protein.
Log coffee in KetoraFree. Weigh it once and Ketora remembers your portion.
Black coffee has essentially no carbohydrate. What you add decides whether it stays keto: cream and butter are fine, while milk, syrups and many coffee-shop drinks are not.
How coffee fits a keto carb budget
Coffee has no meaningful net carbs, so it does not use your carb budget at all — the limit that matters is energy.
Worked example. 240 g of coffee = 0 g total carbs − 0 g fibre = 0 g net carbs, 0 g fat, 0.2 g protein and 2 kcal.
Buying a packaged or flavoured coffee product? Run its label through the net carb calculator — added sugars change the picture quickly.
Nutrition facts
| Nutrient | Per 100 g | Per one cup brewed (240 g) |
|---|---|---|
| Calories | 1 kcal | 2 kcal |
| Fat | 0 g | 0 g |
| Protein | 0.1 g | 0.2 g |
| Total carbohydrate | 0 g | 0 g |
| Fibre | 0 g | 0 g |
| Net carbs | 0 g | 0 g |
Where the energy comes from:
How to eat coffee on keto
- Two tablespoons of heavy cream add under 1 g of carbs.
- Flavoured lattes can contain 30–50 g of sugar — order an Americano with cream instead.
Keto recipes with coffee
Compared with other extras
Coffee ranks #2 of 9 extras in our database by net carbs per 100 g (lowest first). The in-between foods people ask about most.
| Food | Net carbs / 100 g | Per serving |
|---|---|---|
| Pork rinds | 0 g | 0 g |
| Almond milk (unsweetened) | 0.3 g | 0.7 g |
| Mayonnaise | 0.6 g | 0.1 g |
| Hummus | 8.3 g | 2.5 g |
| Dark chocolate (70–85%) | 35 g | 7 g |
| Popcorn (air-popped) | 63.3 g | 15.2 g |
See all extras ranked by net carbs →
Frequently asked questions
How many net carbs are in coffee?
Coffee has about 0 g of net carbs per 100 g (0 g total carbohydrate minus 0 g fibre), and about 0 g per one cup brewed (240 g).
Can you eat coffee on keto?
Yes. A typical serving uses 0% of a strict 20 g net-carb day.
Values are per 100 g of the raw or stated food, rounded, from USDA FoodData Central. Brands and varieties differ — check the label for packaged products.