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Butter vs Mozzarella: Calories Compared
Mozzarella is lower in calories (300 vs 717 per 100g). Butter has 0.8g protein per 100g versus 22.2g in Mozzarella.
Per typical serving, Butter provides 100 kcal (based on a 14g portion) versus Mozzarella at 84 kcal (28g). The average adult needs around 2,000 calories per day, so butter contributes 5.0% and mozzarella contributes 4.2% of that daily target per serving. Getting these numbers right for your own portions starts with a digital kitchen scale.
Full nutrition comparison (per 100g)
| Nutrient | Butter | Mozzarella |
|---|---|---|
| Calories | 717 kcal | 300 kcal |
| Protein | 0.8g | 22.2g |
| Carbohydrates | 0.1g | 2.2g |
| of which Sugars | 0.1g | 1g |
| Fat | 81.1g | 22.4g |
| of which Saturates | 51.4g | 13.2g |
| Fibre | 0g | 0g |
| Sodium | 643mg | 627mg |
| Potassium | 24mg | 76mg |
| Calcium | 24mg | 505mg |
| Iron | 0mg | 0.4mg |
| Vitamin C | 0mg | 0mg |
| Vitamin A | 684µg | 179µg |
| Selenium | 1µg | 17µg |
| Riboflavin (B2) | 0mg | 0.3mg |
Nutrient-by-nutrient breakdown
- Calories: Butter has more (717kcal vs 300kcal per 100g) — a difference of 417kcal. Mozzarella is the lower-calories option if that is your priority.
- Protein: Mozzarella has more (22.2g vs 0.8g per 100g) — a difference of 21.4g. Mozzarella is the stronger source of protein here.
- Carbohydrates: Mozzarella has more (2.2g vs 0.1g per 100g) — a difference of 2.1g.
- Sugars: Mozzarella has more (1g vs 0.1g per 100g) — a difference of 0.9g. Butter is the lower-sugars option if that is your priority.
- Fat: Butter has more (81.1g vs 22.4g per 100g) — a difference of 58.7g. Mozzarella is the lower-fat option if that is your priority.
- Saturated fat: Butter has more (51.4g vs 13.2g per 100g) — a difference of 38.2g. Mozzarella is the lower-saturated fat option if that is your priority.
- Fibre: both foods contain the same amount (0g per 100g).
- Sodium: Butter has more (643mg vs 627mg per 100g) — a difference of 16mg. Mozzarella is the lower-sodium option if that is your priority.
- Potassium: Mozzarella has more (76mg vs 24mg per 100g) — a difference of 52mg. Mozzarella is the stronger source of potassium here.
- Calcium: Mozzarella has more (505mg vs 24mg per 100g) — a difference of 481mg. Mozzarella is the stronger source of calcium here.
- Iron: Mozzarella has more (0mg vs 0mg per 100g) — a difference of 0mg. Mozzarella is the stronger source of iron here.
- Vitamin c: both foods contain the same amount (0mg per 100g).
- Vitamin a: Butter has more (684µg vs 179µg per 100g) — a difference of 505µg. Butter is the stronger source of vitamin A here.
- Selenium: Mozzarella has more (17µg vs 1µg per 100g) — a difference of 16µg. Mozzarella is the stronger source of selenium here.
- Riboflavin (b2): Mozzarella has more (0mg vs 0mg per 100g) — a difference of 0mg. Mozzarella is the stronger source of riboflavin (B2) here.
Live serving-size calculator
Enter any amount for each food — every figure below recalculates instantly, with % of daily value shown for each nutrient (based on a standard 2,000-calorie reference diet).
| Nutrient | Butter | % DV | Mozzarella | % DV |
|---|
* % Daily Value based on a 2,000-calorie reference diet, the same basis used on nutrition labels in the US and UK. Figures update live as you change the amounts above — no page reload.
Substituting one for the other
In baking and cooking, dairy substitutions usually work best when fat content is similar — swapping a higher-fat dairy product for a lower-fat one can affect texture, moisture and how a recipe sets, even when the flavour is close.
Useful for comparing these foods
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Which should you choose?
If your priority is fewer calories, Mozzarella is the lower-calorie option at 300 kcal per 100g. If you need more protein, Mozzarella provides more at 22.2g per 100g. For lower carbohydrates, Butter has fewer carbs at 0.1g per 100g.
Both butter and mozzarella can form part of a healthy, balanced diet. The best choice depends on your individual goals — whether that is weight management, muscle building, or simply hitting your daily nutritional targets. A meal prep container set makes it easy to portion whichever you choose.
Frequently Asked Questions
Which has more calories, Butter or Mozzarella?
Butter has 717 calories per 100g while Mozzarella has 300 calories per 100g. Butter is higher in calories by 417 kcal per 100g.
Which has more protein, Butter or Mozzarella?
Butter contains 0.8g of protein per 100g. Mozzarella contains 22.2g of protein per 100g. Mozzarella has more protein.
Is Butter healthier than Mozzarella?
Butter has 717 kcal, 0.8g protein, 0.1g carbs and 81.1g fat per 100g. Mozzarella has 300 kcal, 22.2g protein, 2.2g carbs and 22.4g fat per 100g. Which is healthier depends on your goals — higher protein, lower calorie and lower fat foods are generally preferred for weight management.
Which has more fibre, Butter or Mozzarella?
Butter contains 0g of fibre per 100g, and Mozzarella contains 0g per 100g. Butter has more fibre. Fibre supports digestion and helps with feeling fuller for longer.
How many calories per serving — Butter vs Mozzarella?
A typical 1 tablespoon of butter (14g) is around 100 calories. A typical 1 serving of mozzarella (28g) is around 84 calories — a difference of 16 kcal per serving in favour of mozzarella.
Can I substitute Butter for Mozzarella in recipes?
In baking and cooking, dairy substitutions usually work best when fat content is similar — swapping a higher-fat dairy product for a lower-fat one can affect texture, moisture and how a recipe sets, even when the flavour is close.
Track both accurately
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Figures per 100g from the USDA FoodData Central database (CC0 1.0).