Is butter keto?

Butter

Keto-friendly Yes — butter is keto-friendly.

Pure fat with a trace of carbs. Salted or unsalted, grass-fed or regular — all keto.

Nutrition per serving

1 tbsp · 14 g
Net carbs
0g
Calories
100kcal
Protein
0.1g
Fat
11g
Total carbs
0 g
Fiber
0 g
One serving vs. a 20 g daily net-carb limit 0%

Butter has virtually no net carbs, so portion size is about calories and fullness, not carbs.

Nutrition facts for butter
NutrientPer servingPer 100 g
Calories100 kcal717 kcal
Total carbohydrate0 g0.1 g
Dietary fiber0 g0 g
Net carbs0 g0.1 g
Sugars 0 g 0.1 g
Protein0.1 g0.9 g
Fat11 g81 g

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Keto recipes with butter

Frequently asked questions

Is butter keto?

Yes — butter is keto-friendly. Pure fat with a trace of carbs. Salted or unsalted, grass-fed or regular — all keto.

How many net carbs are in butter?

1 tbsp (14 g) of butter has about 0 g net carbs (0 g total carbs minus 0 g fiber). Per 100 g, that's 0.1 g net carbs.

How much butter can I eat on keto?

Butter 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 eggs & dairy

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Source: USDA FoodData Central (SR Legacy #173430): Butter, without salt. 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 $3.97/lb — U.S. average price (Butter, stick, per lb: $3.97), Bureau of Labor Statistics, September 2026. How we estimate prices

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