Carbs in 1 Cup Mac And Cheese
How many carbs are in 1 cup mac and cheese?
1 Cup Mac And Cheese has 19.6g net carbs per 100g — 20.1g total carbs minus 0.5g fiber — plus 3.3g protein, 1.9g fat, and 110 calories. That makes 1 cup mac and cheese moderate in net carbs and about average for the typical dairy food, which averages about 24.3g net carbs per 100g. At this carb count, 1 cup mac and cheese 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.
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1 Cup Mac And Cheese runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is 1 cup mac and cheese keto-friendly?
1 Cup Mac And Cheese is borderline for keto — it works only in small portions. It has 19.6g net carbs per 100g (20.1g total carbs − 0.5g 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) | 19.6g | 20.1g | 3.3g | 110 |
| 1 oz (28 g) | 5.5g | 5.6g | 0.9g | 31 |
How many calories are in 1 cup mac and cheese?
1 Cup Mac And Cheese has 110 calories per 100g. That's alongside 3.3g protein, 1.9g fat, and 19.6g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 110 |
| Total carbs | 20.1g |
| Net carbs | 19.6g |
| Fiber | 0.5g |
| Sugar | 2.3g |
| Sugar alcohols | 0g |
| Protein | 3.3g |
| Fat | 1.9g |
| Sodium | 259mg |
| Potassium | 99mg |
Source: USDA FoodData Central (Survey (FNDDS)). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in 1 cup mac and cheese?
- 1 Cup Mac And Cheese has 20.1g of total carbs and 19.6g of net carbs per 100 grams.
- How many net carbs are in 1 cup mac and cheese?
- 1 Cup Mac And Cheese has 19.6g of net carbs per 100 grams (total carbs 20.1g minus 0.5g fiber).
- Is 1 cup mac and cheese keto-friendly?
- 1 Cup Mac And Cheese is borderline for keto — it works only in small portions. It has 19.6g net carbs per 100g (20.1g total carbs − 0.5g 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 1 cup mac and cheese?
- 1 Cup Mac And Cheese has 110 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.