Each ounce, slice, or cup of cheese provides a different amount of energy based on its type and portion. A 1-ounce serving of cheddar has about 110 calories, while mozzarella has about 85. The weight on your plate matters more than its shape.
This article helps you compare cheese varieties using practical serving measures, explain why texture and aging affect calorie density, and consider protein and fat alongside energy.
A Standard Basis for Cheese Calorie Counts
A small kitchen scale removes much of the guesswork from a cheese portion. Weighing 1 ounce, or about 28 grams, creates a consistent starting point for cheddar, mozzarella, Parmesan, Swiss, feta, and blue cheese.
An ounce measures weight. A slice, cup, cube, or handful measures shape or volume, so each portion can contain a different weight. Thickness also changes the result.
A thin slice may weigh three-fourths of an ounce, while a thick deli slice can weigh more than 1.5 ounces. Those examples can differ by roughly 82 calories at 110 calories per ounce.
Use a weight-based serving for your cheese comparisons. A visual portion offers a rough guide, but a scale or package label provides the stronger calorie estimate.
Common Cheese Calories at One Ounce
Weighing 1 ounce provides a practical starting point for comparing the calories in common cheese varieties. The values below show the calorie difference among cheddar, mozzarella, Parmesan, Swiss, feta, and blue cheese.
| Cheese | Approximate calories per 1 ounce | Texture |
|---|---|---|
| Cheddar cheese | 110 | Firm, dense, aged in many styles |
| Mozzarella cheese | 85 | Mild, soft or stretched |
| Parmesan cheese | 110 | Hard, crumbly, aged |
| Swiss cheese | 115 | Firm with small holes |
| Feta cheese | 75 | Crumbly, briny, moist |
| Blue cheese | 100 | Crumbly, creamy, sharp |
Feta and mozzarella sit at the lower end of this group, with about 75 and 85 calories per ounce. Swiss reaches about 115 calories, while cheddar and Parmesan each land near 110.
Blue cheese falls in the middle at about 100 calories per ounce. The spread from feta to Swiss is roughly 40 calories for the same 1-ounce portion.
These figures are estimates rather than exact totals. Cheddar can contain 100 to 120 calories per ounce because moisture, age, added ingredients, and fat level vary among products.
USDA FoodData Central lists values for specific foods. A product label gives you the figure for the cheese in your kitchen and covers the brand’s particular formulation.
That product-specific total can shift with composition, so texture helps explain why hard and fresh cheeses diverge.
Why Hard and Fresh Cheeses Differ
Water explains much of the calorie gap between firm and soft cheeses. Water raises the total weight without adding calories, so a higher-moisture cheese often has fewer calories in each ounce.
Density also changes the size of your serving. A small chunk of Parmesan may weigh less than a slice of cheddar, but Parmesan’s stronger concentration of fat and protein makes each gram more calorie-dense.
Fresh mozzarella holds more water than aged Parmesan. That difference places fresh mozzarella near 85 calories per ounce, compared with about 110 for Parmesan.
| Group | Examples | Calorie pattern |
|---|---|---|
| Hard or aged | Cheddar, Parmesan, Swiss | About 100 to 120 calories per ounce |
| Soft or fresh | Mozzarella, ricotta, fresh goat cheese | About 70 to 100 calories per ounce |
| Crumbly brined | Feta, blue cheese | About 75 to 100 calories per ounce |
Texture alone doesn’t establish the calorie total. Cheddar, Parmesan, and Swiss have similar ounce-based totals despite arriving in sliced, grated, and block forms.
Form and moisture explain much of that difference. Your portion control should account for density because a small-looking serving of hard cheese may weigh more than a larger serving of soft cheese.
Once density has shaped the estimate, standard measures can translate it into practical slice and cup counts.
Converting Slices and Cups Into Calories
A ¾-ounce cheddar slice contains about 83 calories, based on a value of 110 calories per ounce. A 1.5-ounce slice contains about 165 calories under the same calculation.
Those two pieces may have a similar diameter, yet the thicker portion doubles the weight and nearly doubles the calories. Your slice’s actual weight determines the total.
Use this formula: portion calories = calories per ounce × portion weight in ounces. At 110 calories per ounce, a ½-ounce cheddar serving provides about 55 calories.
A package serving of sandwich cheese may be close to 1 ounce. Check the label for the exact weight because holes, irregular cuts, and thickness alter the amount placed on bread.
A cup also needs a weight before conversion. Shredded and cubed cheeses pack differently, so a full cup of one cheese may contain more ounces than a full cup of another.
Cottage Cheese Uses a Different Serving Measure
Low-fat cottage cheese has about 70 to 90 calories per half-cup. Whole-milk versions have about 90 to 110 calories for the same volume.
Your label’s half-cup measure gives you the best comparison basis. Keep that basis separate from 1 ounce of cheddar because volume and weight do not describe the same portion.
Your package also lists protein content for cottage cheese, which can vary by formulation. You can compare that figure with cheddar on equal weights rather than mixing an ounce with a half-cup.
Calories Alongside Protein and Fat
A lower-calorie cheese doesn’t automatically have the lowest fat or saturated fat content. Calories reflect fat, protein, carbohydrates, and moisture, so one number cannot describe the full nutrition profile.
Compare the same product on the same serving basis. A label for 1 ounce of cheddar should not be matched with a half-cup label for cottage cheese.
Equal weights give you a fairer view of calories, protein, fat, saturated fat, calcium, and sodium. Your choice depends on which parts of the nutrition profile matter to you.
Managing calories or saturated fat calls for reading the complete nutrition label. The calorie line alone won’t tell you how much fat or sodium one cheese portion contributes.
A reduced-fat cheese can still contain a meaningful amount of sodium. The nutrition label also shows serving size and the number of servings in the container, which affects your calculation.
The National Institutes of Health and USDA nutrient databases support broader nutrition research. Your package label remains the stronger source for a specific brand and formulation.
Choosing a Cheese and Portion for Your Needs
Feta has the lowest figure in this group at about 75 calories per ounce. Mozzarella follows at about 85, and you should still check the label because brands and styles differ.
Portion size can affect the total as much as cheese choice. Halving a 1-ounce cheddar portion roughly halves its calories, producing about 55 calories for ½ ounce.
- Compare equal weights. Use 1 ounce for each cheese before comparing calories per ounce of cheese.
- Weigh the portion. A scale gives you a better estimate than judging a handful or slice by sight.
- Measure cottage cheese. Use the half-cup serving printed on the product label.
- Adjust the multiplier. Multiply the per-ounce figure by the actual ounces in your portion.
- Count each serving. Recheck the label after taking more than one serving during a meal or snack.
Your best working rule is to compare equal weights, calculate the actual portion, and use the product label for your cheese. Weighing settles portion size, while the label establishes the calorie count.
Bottom Line
The 1-ounce baseline makes cheese types easier to compare. Feta has about 75 calories per ounce, mozzarella about 85, and cheddar about 110, while slice weight changes the total.
For your next portion, weigh the cheese, read the nutrition label, and use the same serving measure across your comparisons. The cheese calorie chart below provides the starting points for common varieties.
FAQ
How many calories are in common types of cheese?
Common cheeses range from about 70 to 120 calories per ounce. Among the listed varieties, feta has about 75 calories, mozzarella 85, blue cheese 100, cheddar and Parmesan 110, and Swiss 115.
How many calories are in a standard cheese serving?
The standard cheese portion measures 1 ounce, or about 28 grams. Its calorie total depends on the variety, with common cheeses falling near 70 to 120 calories per standard serving.
Does a slice, ounce, or cup contain the same number of calories?
No. An ounce measures weight, while a slice or cup measures shape or volume. Their calorie totals differ because each portion may contain a different amount of cheese.
Which cheeses have the lowest and highest calorie counts?
Among the listed types, feta has the lowest calorie count at about 75 per ounce. Swiss has the highest at about 115, which is 40 calories more than feta for the same weight.
How do calories compare among cheddar, mozzarella, Parmesan, Swiss, and other cheeses?
Cheddar and Parmesan each have about 110 calories per ounce, while Swiss has about 115. Mozzarella has about 85, feta 75, and blue cheese 100.
How can portion size change a cheese serving’s calorie total?
Every extra ounce increases a cheese portion’s calorie total according to the cheese’s energy density. At 110 calories per ounce, ½ ounce of cheddar has about 55 calories and 1½ ounces has about 165.
