Carbs in Mustard
Keto-friendlyMustard (per 100 g) contains 4.7g total carbs, 1.5g net carbs, 0.4g fat, 2.9g protein, and 27 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

1.5g
Net carbs
4.7g
Total carbs
3.2g
Fiber
2.9g
Protein
0.4g
Fat
27
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 1.5g | 4.7g | 2.9g | 27 |
| 1 oz (28 g) | 0.4g | 1.3g | 0.8g | 8 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 27 |
| Total carbs | 4.7g |
| Net carbs | 1.5g |
| Fiber | 3.2g |
| Sugar | 1.3g |
| Sugar alcohols | 0g |
| Protein | 2.9g |
| Fat | 0.4g |
| Sodium | 20mg |
| Potassium | 384mg |
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 mustard?
- Mustard has 4.7g of total carbs and 1.5g of net carbs per 100 grams.
- How many net carbs are in mustard?
- Mustard has 1.5g of net carbs per 100 grams (total carbs 4.7g minus 3.2g fiber).
- Is mustard keto-friendly?
- Yes — with 1.5g net carbs per 100g, mustard fits a ketogenic diet in normal portions.
- How many calories are in mustard?
- Mustard has 27 calories per 100 grams.



