A standard slice of apple pie — one-eighth of a 9-inch pie, about 125 grams — is about 296 calories for a commercial bakery pie, and about 411 calories for a homemade pie made from a traditional recipe. The gap is the crust and the sugar: a homemade double crust is richer, and a homemade filling uses more sugar than a factory recipe. Add a scoop of vanilla ice cream and the slice jumps by another 137 calories, to about 433 for the store-bought slice or 548 for the homemade one. The apples, it turns out, are the lightest part of the pie — or check where any dessert fits your day with our calorie calculator.
A standard 1/8 slice of a 9-inch pie weighs about 125 grams. Of the 296 calories in a commercial slice, roughly 161 to 200 come from the double crust alone — the apples themselves contribute only about 36 to 43 calories per slice. A slice cut into 6 pieces instead of 8 is a third bigger, so it runs about 395 calories commercial or about 548 homemade. And à la mode adds a half cup of vanilla ice cream at about 137 calories. Count the crust, not the apples.
Check My Daily TargetThe USDA's standard serving for pie is one-eighth of a 9-inch pie, a slice about half an inch thick at the crust edge and weighing roughly 125 grams — and the USDA database gives two different numbers depending on which pie you mean. The commercial, enriched-flour apple pie entry is 296 calories per slice, with about 14 grams of fat, 42 grams of carbohydrate, and 2 grams of protein. The prepared-from-recipe entry — the traditional homemade version with a butter double crust — is 411 calories per slice, with about 19 grams of fat and 58 grams of carbohydrate. Both are real numbers for the same nominal slice; the difference is recipe richness, which is why "apple pie calories" quoted anywhere without specifying homemade versus commercial is nearly meaningless. The USDA FoodData Central database, at USDA FoodData Central, carries both entries, and every figure in this guide traces back to one of them. A single medium apple, for comparison, is about 95 calories — so the fruit in a whole 9-inch pie (about 5 to 6 cups of sliced apples, roughly 3 apples) contributes only about 285 to 342 calories to the entire pie, or about 36 to 43 calories per slice. The rest is crust and sugar.
| Slice (1/8 of a 9-inch pie, ~125 g) | Calories | Fat / Carbs |
|---|---|---|
| Commercial / bakery apple pie | 296 | ~14 g / ~42 g |
| Homemade, prepared from recipe | 411 | ~19 g / ~58 g |
| Dutch apple pie (streusel top) | ~287–300 | Crumb topping swaps one crust for streusel |
| Single-crust apple pie (no top crust) | ~230–250 | Dropping the top crust saves roughly 80–100 |
| Deep-dish slice (1/8 of a deep pie) | 500+ | Taller slice, more filling and crust |
A standard 9-inch double crust uses about 10 ounces of pie dough, and at about 129 calories per ounce of crust, the crust alone contributes roughly 1,290 calories to the whole pie — about 161 calories per 1/8 slice. Richer butter crusts push that to 1,400 to 1,600 calories per pie, or 175 to 200 per slice. The filling's added sugar is the second cost: a standard recipe calls for three-quarters to 1 cup of granulated sugar (150 to 200 grams), contributing 600 to 800 calories to the whole pie, or 75 to 100 calories per slice — and that is on top of the apples' natural sugars. Together, crust plus added sugar account for roughly 240 to 300 calories of a homemade slice, which is why the apples' 36 to 43 calories barely register. Slice size is the third trap and the biggest one in practice: most home slices are cut into 6, not 8. A 1/6 slice is 8 ÷ 6 = 1.33 times the standard slice, so a commercial slice becomes about 395 calories and a homemade slice about 548. A "thin" slice of about 85 grams runs about 200 calories, while a generous restaurant wedge of about 230 grams runs about 545 calories — a 345-calorie difference for the same pie. If you track intake, weigh the slice: a standard slice should be 120 to 140 grams, and anything over 180 grams is likely over 500 calories.
À la mode is the most expensive addition in dessert math. A half cup of vanilla ice cream — one standard scoop — is about 137 calories, so a commercial slice à la mode is 296 + 137 = 433 calories and a homemade slice à la mode is 411 + 137 = 548 calories. Whipped cream is cheaper: 2 tablespoons of sweetened whipped cream add about 25 to 50 calories depending on whether it is canned or heavy-cream whipped, and a dollop of plain whipped cream is closer to 15. A slice with a cheddar cheese slice on top — the New England tradition — adds about 114 calories per ounce of cheddar, which is why the "apple pie with cheese" order is heavier than it looks. Chain portions are a different world: a McDonald's baked apple pie, a small hand-held turnover rather than a slice, is about 230 calories — lighter than a standard slice because the portion is smaller and the filling is thinner. Restaurant and diner slices, cut generously and often served à la mode by default, commonly land at 500 to 700 calories for the slice plus ice cream. The rule of thumb: the pie you buy by the slice in a restaurant is almost never the 125-gram USDA slice, and the ice cream is almost never the half-cup scoop — both are usually bigger.
| Serving | Calories | Math |
|---|---|---|
| Commercial slice, plain | 296 | USDA 1/8 of 9-inch pie |
| Commercial slice à la mode | 433 | 296 + 137 (half cup vanilla ice cream) |
| Homemade slice, plain | 411 | USDA prepared-from-recipe |
| Homemade slice à la mode | 548 | 411 + 137 = 548 |
| Homemade slice, cut into 6 | 548 | 411 × 8 ÷ 6 = 548 |
| McDonald's baked apple pie | ~230 | Hand-held turnover, smaller portion |
| Restaurant slice à la mode | ~500–700 | Generous cut + full scoop |
The lightest credible swap is a baked cinnamon apple crisp with Greek yogurt instead of ice cream: one baked apple with 2 tablespoons of oats, cinnamon, a teaspoon of maple syrup, and a quarter cup of Greek yogurt runs about 110 calories — roughly 320 calories below a commercial slice à la mode — with more fiber and 10 grams of protein from the yogurt. The second swap is structural: a single-crust pie drops the top crust and saves roughly 80 to 100 calories per slice, and a lattice top saves a little versus a full top crust because some dough is cut away. The third swap is portion discipline: cut the pie into 10 slices instead of 8 and a homemade slice drops from 411 to about 329 calories (411 × 8 ÷ 10 = 329), and serve it with whipped cream instead of ice cream to save another 90 or so. And the simplest swap of all: eat the apples. A baked apple with cinnamon and a spoonful of yogurt is the flavor of apple pie — warm apples, cinnamon, creaminess — for about a quarter of the calories, because it skips the two things that make pie heavy: the crust and the added sugar.
Our calorie calculator shows where dessert fits your day.
Check My Daily TargetWritten by the Live Fitness Check editorial team · Reviewed against our calculator methodology · Last updated November 2026
Disclaimer: This guide is for educational purposes only and is not medical advice. Calorie figures are approximations based on USDA data; actual values vary by recipe, brand, and portion. Talk to your doctor or a registered dietitian before making significant changes to your diet.
