A typical serving of mac and cheese (1 cup, 198 g) has about 376 calories. Per 100 g: 190 kcal, 4.9 g protein, 23.9 g carbs, 8.3 g fat. The same 100 g carries 1.2 g of fiber and 4.3 g of sugar. The energy comes from a mix of carbs, fat, and protein.
| Serving | Weight | Calories |
|---|---|---|
| 1 cup | 198 g | 376 kcal |
| 100 g | 100 g | 190 kcal |
Boxed mac made per instructions lands near 380 calories per cup. On the energy-density scale, 190 kcal per 100 g puts mac and cheese at the moderate end.
A typical serving (1 cup, 198 g) has about 376 calories, and 100 g has 190 kcal. Calories scale with weight, so double the portion means double the number.
There are 4.9 g of protein in 100 g of mac and cheese, which works out to about 9.7 g per serving (1 cup). It contributes meaningful protein, though most of the calories come from elsewhere.
There are 23.9 g of carbohydrate per 100 g of mac and cheese, or about 47 g in 1 cup (198 g).
Every value on this page comes from USDA FoodData Central, entry 173341 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
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Get JoulesA note on accuracy: calculators like this one provide estimates based on population-level formulas — your real needs vary with genetics, muscle mass, medical conditions, and more. Results are for information only and are not medical advice, a diagnosis, or a prescription. Talk to a doctor or registered dietitian before making significant changes to your diet or exercise, especially if you have a health condition, are pregnant, or are under 18.
Nutrition data: USDA FoodData Central, FDC ID 173341 (SR Legacy). Serving calories are computed from the per-100-g values.
