A typical serving of Swiss cheese (1 cup, melted, 244 g) has about 959 calories. Per 100 g: 393 kcal, 27 g protein, 1.4 g carbs, 31 g fat. 1 cup (108 g) comes to 424 calories. Most of the energy comes from fat.
| Serving | Weight | Calories |
|---|---|---|
| 1 cup, melted | 244 g | 959 kcal |
| 1 cup, shredded | 108 g | 424 kcal |
| 1 cubic inch | 15 g | 59 kcal |
| 1 oz | 28 g | 112 kcal |
| 100 g | 100 g | 393 kcal |
The holes are free; the cheese around them matches cheddar almost exactly. On the energy-density scale, 393 kcal per 100 g puts Swiss cheese at the high end. Protein density is strong: about 6.9 g of protein per 100 calories.

A typical serving (1 cup, melted, 244 g) has about 959 calories, and 100 g has 393 kcal. Calories scale with weight, so double the portion means double the number.
There are 27 g of protein in 100 g of Swiss cheese, which works out to about 65.9 g per serving (1 cup). It contributes meaningful protein, though most of the calories come from elsewhere.
Yes, in the plain arithmetic sense: 31 g of fat per 100 g supplies about 71% of the calories. Whether that fits your day depends on your totals, not on the food alone.
Every value on this page comes from USDA FoodData Central, entry 171251 (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 171251 (SR Legacy). Serving calories are computed from the per-100-g values.