Carbs in Butter
Keto-friendlyButter (per 100 g) contains 0.1g total carbs, 0.1g net carbs, 81.1g fat, 0.8g protein, and 717 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian
0.1g
Net carbs
0.1g
Total carbs
0g
Fiber
0.8g
Protein
81.1g
Fat
717
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 0.1g | 0.1g | 0.8g | 717 |
| 1 oz (28 g) | 0g | 0g | 0.2g | 201 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 717 |
| Total carbs | 0.1g |
| Net carbs | 0.1g |
| Fiber | 0g |
| Sugar | 0.1g |
| Sugar alcohols | 0g |
| Protein | 0.8g |
| Fat | 81.1g |
| Sodium | 643mg |
| Potassium | 24mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in butter?
- Butter has 0.1g of total carbs and 0.1g of net carbs per 100 grams.
- How many net carbs are in butter?
- Butter has 0.1g of net carbs per 100 grams (total carbs 0.1g minus 0g fiber).
- Is butter keto-friendly?
- Yes — with 0.1g net carbs per 100g, butter fits a ketogenic diet in normal portions.
- How many calories are in butter?
- Butter has 717 calories per 100 grams.
