One 21 g singles slice has ~50 calories, ~3 g protein, ~3.5 g fat, and about 210 mg sodium, with roughly 22% DV calcium.
Half Slice
One Slice
Two Slices
Classic Melt
- 1 slice on toast
- ~50 kcal, 3 g protein
- 210 mg sodium
Everyday
Lighter Pick (2%)
- 1 reduced-fat slice
- Lower fat per slice
- Similar protein
Trim Fat
Extra Calcium
- Fortified varieties
- Higher calcium per 100 g
- Check the label
Bone Health
What Counts As One Singles Slice?
A standard wrapped square weighs about 21 grams. That serving anchors the label on most brands. Expect roughly 50 calories, about 3 grams of protein, near 3.5 grams of fat, around 2 grams of carbs, and 210 milligrams of sodium, plus roughly 290 milligrams of calcium. Those numbers come from major datasets that summarize processed slice products and branded entries, including the Kraft serving page and independent nutrient aggregators that compile per-slice values from lab-based sources.
Nutrition Facts For American Slice Singles (With Simple Context)
Here’s a quick landscape of what the nutrition looks like across common servings and styles. Use it as a map for portion planning, quick label checks, and recipe swaps. The values below reflect typical ranges reported for processed slices and brand pages, rounded to keep the table readable.
| Serving Or Variant | Calories | Quick Notes |
|---|---|---|
| 1 singles slice (21 g) | ~50 | ~3 g protein; ~210 mg sodium; ~290 mg calcium |
| 2 singles slices | ~100 | ~6 g protein; ~420 mg sodium |
| Half slice | ~25 | Useful for kids’ portions; ~105 mg sodium |
| Per 100 g reference | ~366 | High calcium density; high sodium per 100 g |
| Reduced-fat slice | ~40 | Less fat; protein similar; salt often unchanged |
| 2% milk slice | ~45 | Moderate fat drop; melt stays reliable |
| Fortified variety | ~60–70 | Added vitamin D; check calcium per label |
| Grilled cheese (2 slices + bread) | ~350–450 | Depends on bread and spread |
| Cheeseburger add-on (1 slice) | ~50 | ~210 mg sodium added to the patty’s total |
| White vs yellow slice | Similar | Coloring differs; nutrition near-identical |
Calories, Protein, Fat, And Carbs In A Slice
For calorie counting, one wrapped square sits near 50 kcal. Protein averages about 3 grams, which makes a single square a small but helpful add-on for a sandwich or egg wrap. Fat is near 3.5 grams with roughly 2 grams saturated. Carbs hover near 2 grams with about 1 gram sugar from lactose. Those figures match typical label claims and large databases that compile per-slice records.
Sodium: The Number To Watch
Salt drives flavor and melt, so the salt load can stack up fast when you layer. One square lands around 210 milligrams. Two bring you close to 420 milligrams. The Daily Value for sodium is less than 2,300 milligrams per day, so a double-stack moves you near one fifth of that number. If you’re tracking sodium, scan the label and keep an eye on the sandwich build.
Calcium, Vitamin D, And Bone-Friendly Picks
Calcium sits near 290 milligrams per slice, or about one fifth of a 1,300-milligram goal often used for teens and a bit less than the adult Daily Value. Some versions add vitamin D, which boosts calcium absorption. Per 100 grams, fortified types can deliver far more calcium on paper than fresh cheeses, but servings are small, so per-slice math still matters. The 100-gram line also carries high sodium, so think in real portions.
How To Read The Label Fast
Start With Serving Size
Most wrappers set the serving at one slice. That keeps the math tidy, but real sandwiches often use two. If your recipe starts with a double-stack, do the quick ×2 across calories, protein, fat, and sodium. The Kraft product page displays a 21-gram serving, which mirrors common store brands.
Scan The %DV Lines
%DV shows how a serving fits into a day’s total. For salt, under 5% per serving counts as low; 20% or more is high. A single square near 9% sits in the middle. That context comes from federal labeling guidance on Daily Values and how to use them on the panel. Link the number to your baseline; if you eat salty sides elsewhere, keep slices to one. Nutrition Facts label basics explain the %DV system and the sodium limit clearly.
Ingredient Language And What It Means
Wrapped squares fall under pasteurized process cheese or pasteurized prepared cheese product, depending on the recipe. You’ll see dairy ingredients plus emulsifying salts that create the smooth melt. Brands vary in milkfat level, added vitamin D, and color. If you want fewer additives, seek slices labeled as “pasteurized process cheese” rather than “cheese product,” then glance at the short list to confirm.
Portion Moves That Work In Real Meals
Sandwiches And Toasts
One square gives a gentle hit of protein and calcium without pushing salt too far. Add sliced tomato, crunchy lettuce, and a drizzle of olive oil for moisture. If you need bigger protein, add turkey or an egg and keep the square count at one.
Eggs, Burgers, And Bowls
For scrambled eggs, one square melts into a creamy finish. For burgers, one is plenty when your patty already carries fat and salt. Grain bowls welcome a chopped square for flavor, then beans or grilled chicken fill the protein slot.
Kids’ Plates
A half square folded into a tortilla adds dairy without overshooting sodium. Pair with fruit and cucumber sticks. That small tweak keeps the plate tidy while still giving a melt.
Label-Backed Values And Where They Come From
Per-slice values used here reflect brand pages and nutrient datasets that compile lab-derived numbers for processed slices. The Kraft serving page lists a 21-gram square. Independent nutrition tools show matching energy, protein, fat, and sodium for one square and give a clear look at calcium. If you prefer government databases, FoodData Central catalogs pasteurized process cheese entries and related slice categories.
Slice Vs. Other Cheeses
Mozzarella and Swiss tend to carry less sodium per ounce, while cheddar sits nearer to processed slices. Protein lands higher in hard cheeses per ounce, but the melt isn’t as uniform without a sauce. If you’re trimming salt, lean on low-sodium Swiss or part-skim mozzarella for builds that don’t need the classic square’s texture.
Per-Slice Nutrition Snapshot (Typical Values)
| Nutrient | Per 1 Slice | %DV |
|---|---|---|
| Calories | ~50 kcal | ~3% |
| Protein | ~3 g | ~6% |
| Total fat | ~3.5 g | ~4% |
| Saturated fat | ~2 g | ~10% |
| Carbohydrate | ~2 g | ~1% |
| Sugars | ~1 g | ~2% |
| Sodium | ~210 mg | ~9% |
| Calcium | ~290 mg | ~22% |
| Cholesterol | ~15 mg | ~5% |
Values reflect typical processed slice entries and a common branded serving. Numbers shift by recipe, so match your wrapper before you log.
When You Might Choose A Different Style
Lower Sodium Goals
Pick a slice labeled “low sodium,” lean on mozzarella or Swiss for sandwiches, or use one square instead of two on melts. That single move saves about 210 milligrams of salt per sandwich compared with a double.
Lower Fat Targets
Grab reduced-fat or 2% milk slices. Texture stays friendly for grilled cheese, and protein per slice lands near the same mark. If you’re cooking a sauce, mix a small square into milk and flour to stretch flavor across a plate.
Protein Boosts
One square isn’t a full protein serving. Add turkey, tuna, tofu, or an egg to bring the meal into a stronger range while keeping the square count at one. The square then plays the flavor role.
Food Safety And Storage
Keep wrapped squares chilled and sealed. Once opened, use the pack within the time window on the label. If a slice dries out or the wrapper was torn, skip it. For kids’ lunches, pack the sandwich with an ice pack to keep the dairy cold until mealtime.
Smart Swaps And Flavor Tricks
Boost Flavor Without Extra Salt
Add tomato, pickled onion, roasted peppers, or fresh herbs. Acid and aromatics let you stick with one square while the sandwich still tastes bold.
Stretch Cheese In Hot Dishes
For pasta or grits, melt a chopped square into a hot base along with a splash of milk. You’ll coat more bites with less cheese and keep the salt lower than a big pile on top.
Balance A Salty Day
When breakfast or dinner already runs salty, keep lunch to one square and pair with fruit or a baked potato. Potassium-rich sides help counterbalance the day’s salt story.
Brand Notes, Recalls, And Checks
Brand pages list the serving size, ingredients, and the per-slice panel. If you’re stocking a big pack, glance at the lot and date. When a company posts a notice about packaging or quality, follow the steps on the notice and swap the package at the store. That simple check keeps lunch builds smooth and safe.
Method, Sources, And How To Use This Page
Numbers cited here reflect a typical 21-gram square from brand pages and independent nutrient tools that aggregate per-slice data. The calcium, protein, fat, sugar, and sodium lines align with those tools’ slice pages. Salt context uses the federal Daily Value framework. For detailed entries and brand specifics, rely on your wrapper first, then visit a brand page or a government database entry for the product class you buy.
Want more label practice later? Save a bookmark to the brand’s serving page and read a few panels side by side during your next shop.