Is coffee (black) keto?

Coffee (black)

Keto-friendly Yes — coffee (black) is keto-friendly.

Black coffee is essentially carb-free. Add heavy cream or butter — skip sugar, syrups and most creamers.

Nutrition per serving

1 cup · 237 g
Net carbs
0g
Calories
2kcal
Protein
0.3g
Fat
0g
Total carbs
0 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 0%

Coffee (black) has virtually no net carbs, so portion size is about calories and fullness, not carbs.

Nutrition facts for coffee (black)
NutrientPer servingPer 100 g
Calories2 kcal1 kcal
Total carbohydrate0 g0 g
Dietary fiber0 g0 g
Net carbs0 g0 g
Sugars 0 g 0 g
Protein0.3 g0.1 g
Fat0 g0 g

Portion calculator

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How to eat coffee (black) on keto

  • Coffee-shop lattes are mostly milk: ask for a "breve" (half-and-half) or heavy cream with sugar-free syrup.

Keto recipes with coffee (black)

Frequently asked questions

Is coffee (black) keto?

Yes — coffee (black) is keto-friendly. Black coffee is essentially carb-free. Add heavy cream or butter — skip sugar, syrups and most creamers.

How many net carbs are in coffee (black)?

1 cup (237 g) of coffee (black) has about 0 g net carbs (0 g total carbs minus 0 g fiber). Per 100 g, that's 0 g net carbs.

How much coffee (black) can I eat on keto?

Coffee (black) has virtually no net carbs, so portion size is about calories and fullness, not carbs. On a typical 20 g daily limit, one serving uses about 0% of your carbs.

More drinks

Full drinks list

Source: USDA FoodData Central (SR Legacy #171890): Beverages, coffee, brewed, prepared with tap water. Net carbs = total carbohydrate − fiber. Rating: Keto-friendly — Low in net carbs per typical serving (about 5 g or less). Fits easily into a 20–30 g daily limit. How we rate foods. Last reviewed October 18, 2026.

Typical price: about $0.56/lb — U.S. average price (Coffee, 100% ground roast, per lb: $9.32), Bureau of Labor Statistics, September 2026 — 1 lb of ground coffee brews roughly 7.5 liters. How we estimate prices

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