Carbs in Macaroni Cheese
How many carbs are in macaroni cheese?
Macaroni Cheese has 68.1g net carbs per 100g — 71g total carbs minus 2.9g fiber — plus 10.1g protein, 0g fat, and 348 calories. That makes macaroni cheese high in net carbs and higher than the typical dairy food, which averages about 24.3g net carbs per 100g. At this carb count, macaroni cheese is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is macaroni cheese keto-friendly?
Macaroni Cheese is generally not keto-friendly. It has 68.1g net carbs per 100g (71g total carbs − 2.9g 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) | 68.1g | 71g | 10.1g | 348 |
| 1 oz (28 g) | 19.1g | 19.9g | 2.8g | 97 |
How many calories are in macaroni cheese?
Macaroni Cheese has 348 calories per 100g. That's alongside 10.1g protein, 0g fat, and 68.1g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 348 |
| Total carbs | 71g |
| Net carbs | 68.1g |
| Fiber | 2.9g |
| Sugar | 1.4g |
| Sugar alcohols | 0g |
| Protein | 10.1g |
| Fat | 0g |
| Sodium | 638mg |
| Potassium | 0mg |
Source: Open Food Facts (Premier Pantry). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in macaroni cheese?
- Macaroni Cheese has 71g of total carbs and 68.1g of net carbs per 100 grams.
- How many net carbs are in macaroni cheese?
- Macaroni Cheese has 68.1g of net carbs per 100 grams (total carbs 71g minus 2.9g fiber).
- Is macaroni cheese keto-friendly?
- Macaroni Cheese is generally not keto-friendly. It has 68.1g net carbs per 100g (71g total carbs − 2.9g 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 cheese?
- Macaroni Cheese has 348 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.