A typical serving of parmesan (1 tbsp, grated, 5 g) has about 21 calories. Per 100 g: 420 kcal, 28.4 g protein, 13.9 g carbs, 27.8 g fat. The same 100 g carries 0.1 g of sugar. The energy comes from a mix of carbs, fat, and protein.
| Serving | Weight | Calories |
|---|---|---|
| 1 tbsp, grated | 5 g | 21 kcal |
| 1/4 cup, grated | 25 g | 105 kcal |
| 1 oz | 28 g | 119 kcal |
| 100 g | 100 g | 420 kcal |
Dense but potent: a tablespoon grated adds 21 calories and a lot of flavor. On the energy-density scale, 420 kcal per 100 g puts parmesan at the very high end. Protein density is strong: about 6.8 g of protein per 100 calories.
A typical serving (1 tbsp, grated, 5 g) has about 21 calories, and 100 g has 420 kcal. Calories scale with weight, so double the portion means double the number.
There are 28.4 g of protein in 100 g of parmesan, which works out to about 1.4 g per serving (1 tbsp). It contributes meaningful protein, though most of the calories come from elsewhere.
Yes, in the plain arithmetic sense: 27.8 g of fat per 100 g supplies about 60% 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 171247 (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 171247 (SR Legacy). Serving calories are computed from the per-100-g values.
