How many carbs are in butter?
Butter (1 tbsp) has 0 g of total carbs and 0 g of fiber, which is 0 g of net carbs. Per 100 g: 0.1 g carbs, 0.1 g net carbs.
Carbs & keto check
Yes. Butter is keto-friendly: 0 g net carbs per serving (1 tbsp) and 0.1 g per 100 g.

20000 g of butter = a whole 20 g net carb day
Nutrition
Net carbs = total carbs − fiber. Values from the Keto.app food database.
| Serving | Net carbs | Carbs | Fiber | kcal | Protein | Fat |
|---|---|---|---|---|---|---|
| 1 cup (227 g) | 0.1 g | 0.1 g | 0 g | 1,628 | 1.9 g | 184.1 g |
| 1 tbsp (14.2 g) | 0 g | 0 g | 0 g | 102 | 0.1 g | 11.5 g |
| 1 pat (5 g) | 0 g | 0 g | 0 g | 36 | 0 g | 4.1 g |
| 1 stick (113 g) | 0.1 g | 0.1 g | 0 g | 810 | 1 g | 91.7 g |
| 1 oz (28.4 g) | 0 g | 0 g | 0 g | 203 | 0.2 g | 23 g |
| 100 g | 0.1 g | 0.1 g | 0 g | 717 | 0.8 g | 81.1 g |
From Keto.app data
Butter has been added to Keto.app food diaries 488,485 times over about 10 years.
Times logged by Keto.app users, over about 10 years.
FAQ
Butter (1 tbsp) has 0 g of total carbs and 0 g of fiber, which is 0 g of net carbs. Per 100 g: 0.1 g carbs, 0.1 g net carbs.
Yes. Butter is keto-friendly: 0 g net carbs per serving (1 tbsp) and 0.1 g per 100 g.
On a strict 20 g net carb day, 20000 g of butter would use your entire carb budget. Most people on keto keep it to normal portions.
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