Per 100 g, Cheddar cheese has 403 calories and 22.9 g of protein, while Mozzarella has 299 calories and 22.2 g. Mozzarella is the lighter choice, 104 kcal fewer per 100 g. Cheddar cheese carries more protein, 0.7 g more per 100 g.
| Per 100 g | Cheddar cheese | Mozzarella |
|---|---|---|
| Calories | 403 kcal | 299 kcal |
| Protein | 22.9 g | 22.2 g |
| Carbs | 3.4 g | 2.4 g |
| Fat | 33.3 g | 22.1 g |
| Fiber | 0 g | 0 g |
Mozzarella for fewer calories, Cheddar cheese for more protein.
Both columns are USDA FoodData Central numbers — the same sourced data Joules logs from, rather than the crowd-sourced entries that make many trackers disagree with each other.
Per 100 g, Cheddar cheese has 403 calories and Mozzarella has 299. Mozzarella is lower by 104 kcal. Compare per 100 g first, then scale to your actual portion.
Per 100 g, Cheddar cheese has 22.9 g of protein and Mozzarella has 22.2 g. Cheddar cheese has 0.7 g more.
Neither is off-limits. Fewer calories per 100 g gives you more room in a deficit, but portion size and the rest of your day matter more than the swap itself. Log whichever you actually eat and watch your daily total.
Both foods come from USDA FoodData Central (SR Legacy): FDC ID 173414 for Cheddar cheese and 170845 for Mozzarella, taken per 100 g so the comparison is like-for-like.
Snap a photo of Cheddar cheese or Mozzarella in Joules and the calories and macros are logged for you — from the same USDA data.
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 173414 · FDC ID 170845 (SR Legacy), per 100 g. Both entries are compared on the same basis.
