Skip to content
Fats & oils · Keto food guide

Is Butter keto?

Keto-friendly 0 g net carbs per one tablespoon (14 g) — 0% of a 20 g keto day.

Updated By the Ketora editorial teamHow we write

Short answer: Yes. One tablespoon (14 g) of butter: 0 g net carbs — 0% of a strict 20 g keto day — with 11.4 g fat and 0.1 g protein.

0.1 gNet carbs / 100 g
81.1 gFat / 100 g
0.9 gProtein / 100 g
717kcal / 100 g

Log butter in KetoraFree. Weigh it once and Ketora remembers your portion.

Butter is almost pure fat with trace carbs. Much of the butter used for frying stays in the pan, which is why we count what ends up on the plate.

How butter fits a keto carb budget

Butter has no meaningful net carbs, so it does not use your carb budget at all — the limit that matters is energy.

Worked example. 14 g of butter = 0 g total carbs − 0 g fibre = 0 g net carbs, 11.4 g fat, 0.1 g protein and 100 kcal.

Buying a packaged or flavoured butter product? Run its label through the net carb calculator — added sugars change the picture quickly.

Nutrition facts

NutrientPer 100 gPer one tablespoon (14 g)
Calories717 kcal100 kcal
Fat81.1 g11.4 g
Protein0.9 g0.1 g
Total carbohydrate0.1 g0 g
Fibre0 g0 g
Net carbs0.1 g0 g

Where the energy comes from:

Fat 99%
Protein 0%
Net carbs 0%

How to eat butter on keto

  • Brown butter adds nutty flavour to vegetables.

Keto recipes with butter

Compared with other cooking fats

Butter ranks #3 of 4 cooking fats in our database by net carbs per 100 g (lowest first). Pure fat, no carbs — portion size decides how they affect your energy intake.

FoodNet carbs / 100 gPer serving
Olive oil0 g0 g
Coconut oil0 g0 g
Coconut milk (canned, full-fat)2.8 g1.7 g

See all cooking fats ranked by net carbs →

Frequently asked questions

How many net carbs are in butter?

Butter has about 0.1 g of net carbs per 100 g (0.1 g total carbohydrate minus 0 g fibre), and about 0 g per one tablespoon (14 g).

Can you eat butter 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.

Sources

Plan your week around foods like butter

Pick the foods you actually eat. Ketora builds a weekly menu and shopping list that fits your macros.

Start free — no card needed