Carbs in Macaroni And Cheese 1 Cup
How many carbs are in macaroni and cheese 1 cup?
Macaroni And Cheese 1 Cup has 16.2g net carbs per 100g — 17.3g total carbs minus 1.1g fiber — plus 5.6g protein, 6.4g fat, and 149 calories. That makes macaroni and cheese 1 cup moderate in net carbs and lower than the typical dairy food, which averages about 24.3g net carbs per 100g. At this carb count, macaroni and cheese 1 cup is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

Values per 100 g.
Is macaroni and cheese 1 cup keto-friendly?
Macaroni And Cheese 1 Cup is borderline for keto — it works only in small portions. It has 16.2g net carbs per 100g (17.3g total carbs − 1.1g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 16.2g | 17.3g | 5.6g | 149 |
| 1 oz (28 g) | 4.5g | 4.8g | 1.6g | 42 |
How many calories are in macaroni and cheese 1 cup?
Macaroni And Cheese 1 Cup has 149 calories per 100g. That's alongside 5.6g protein, 6.4g fat, and 16.2g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 149 |
| Total carbs | 17.3g |
| Net carbs | 16.2g |
| Fiber | 1.1g |
| Sugar | 1.5g |
| Sugar alcohols | 0g |
| Protein | 5.6g |
| Fat | 6.4g |
| Sodium | 290mg |
| Potassium | 95mg |
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 macaroni and cheese 1 cup?
- Macaroni And Cheese 1 Cup has 17.3g of total carbs and 16.2g of net carbs per 100 grams.
- How many net carbs are in macaroni and cheese 1 cup?
- Macaroni And Cheese 1 Cup has 16.2g of net carbs per 100 grams (total carbs 17.3g minus 1.1g fiber).
- Is macaroni and cheese 1 cup keto-friendly?
- Macaroni And Cheese 1 Cup is borderline for keto — it works only in small portions. It has 16.2g net carbs per 100g (17.3g total carbs − 1.1g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in macaroni and cheese 1 cup?
- Macaroni And Cheese 1 Cup has 149 calories per 100 grams.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.







