Calorie Breakdown by Cheese Type
The calories in a single slice of cheese depend heavily on the type and size. The most common slice size is about one ounce (28 grams), but thinner, processed singles weigh less. For example, a single, thinner slice of Kraft American cheese can contain as few as 50-70 calories, while a standard one-ounce slice of sharp cheddar has over 110. The primary drivers of calorie density are the fat and moisture content. Harder, aged cheeses are drier and contain more concentrated fat, leading to a higher calorie count per ounce. Softer, fresher cheeses, on the other hand, have more moisture and are typically lower in calories.
American Cheese Calories
American cheese is one of the most popular sliced cheeses, particularly in grilled cheese sandwiches and burgers. Due to its processed nature, American cheese slices can be quite thin. For example, a standard 20-21 gram slice often contains between 60 and 75 calories, while a thicker, 1-ounce (28-gram) slice can go up to 104. Low-fat varieties are also available and can bring the calorie count even lower, sometimes to around 30 kcal for a 3/4 oz slice.
Cheddar Cheese Calories
Cheddar is another widely consumed cheese, famous for its sharp flavor. The calorie content of a one-ounce slice of cheddar cheese generally falls between 110 and 115 calories. The aging process and milk fat content can cause some minor variations. A sharp cheddar, for instance, may have a slightly higher calorie count than a mild one. The density and firmness of cheddar contribute to its higher caloric value compared to softer cheeses.
Swiss Cheese Calories
Often distinguished by its signature holes, Swiss cheese is a good option for those monitoring sodium intake, as it has a lower sodium content than many other cheeses. A one-ounce slice of Swiss cheese contains approximately 106 to 110 calories. This makes it a balanced choice for sandwiches and other dishes, providing a good source of protein and calcium without an excessive calorie load.
Provolone Cheese Calories
Provolone is a semi-hard cheese from Italy that is a common sandwich filling. For a typical one-ounce slice, you can expect around 98 to 100 calories. The exact number can differ slightly based on the specific brand and thickness of the slice. Provolone is known for its mild flavor when young, which gets sharper and more robust as it ages.
Comparison of Popular Cheese Slices
| Cheese Type | Serving Size (approx.) | Calories (kcal) | Saturated Fat (g) | Protein (g) | Sodium (mg) |
|---|---|---|---|---|---|
| American (processed) | 1 slice (21g) | 60–75 | 2.7–3.5 | 3.4–3.7 | 262–342 |
| Cheddar | 1 slice (1 oz / 28g) | 110–115 | 5.3–5.9 | 6.4–6.9 | 173–183 |
| Swiss | 1 slice (1 oz / 28g) | 106–110 | 4.9–5.1 | 7.5–7.6 | 52–54 |
| Provolone | 1 slice (1 oz / 28g) | 98–100 | 4.7–5.0 | 6.0–7.1 | 200–245 |
Factors Affecting Calorie Count
Several factors contribute to the calorie count of a cheese slice. These include the cheese's fat content, moisture level, and the serving size. Manufacturers of pre-packaged slices can also influence the count, as they may create thinner slices or reduced-fat versions. Understanding these variables helps in making a more accurate assessment of a cheese slice's nutritional impact.
Moisture and Fat Content: Generally, the higher the moisture content in a cheese, the lower its fat and calorie content will be on a per-ounce basis. Soft, fresh cheeses like mozzarella and feta have more water, making them less calorie-dense than hard, aged varieties like cheddar and Parmesan.
Processed vs. Natural: Processed cheese slices, such as American cheese singles, are made from a blend of milk, emulsifiers, and other ingredients. Their nutritional profile can differ significantly from natural cheese slices, sometimes being formulated to be lower in fat and calories, although this can be offset by added sodium.
Serving Size Variation: It's crucial to check the serving size listed on the nutrition label. A "slice" is not a standardized unit. A thick-cut slice from the deli counter will have more calories than a thinly sliced, individually wrapped single. Reading the label will provide the most precise calorie information for the specific product you're consuming. The serving size listed on packages is typically based on a one-ounce portion.
Conclusion
Ultimately, the number of calories in a single cheese slice is not a fixed number and is highly dependent on the type of cheese. While processed American cheese singles can be as low as 60-70 calories, a standard, natural cheddar slice is closer to 110-115 calories. Factors like fat content, aging, and slice thickness all play a role. For those managing their weight or just keeping track of nutritional intake, comparing labels and opting for lower-fat varieties like Swiss or part-skim mozzarella can be beneficial. It is important to enjoy cheese in moderation as part of a balanced diet, remembering that it is calorie-dense but also a good source of protein and calcium. Find a wider range of cheese nutrition facts here.
