A bakery cupcake contains approximately 585 calories, according to the Huffington Post. A store-bought cupcake contains approximately 298 calories. A homemade cupcake made with a healthy ingredient list contains approximately 295 calories.
The amount of total fat and saturated fat in a cupcake should also be taken into account. A homemade cupcake may have approximately the same amount of calories as a store-bought cupcake, but the homemade cupcake may contain significantly fewer grams of fat and saturated fat than the store-bought and bakery cupcakes.
A homemade cupcake prepared with healthy ingredients contains around 8 grams of fat, with 2 grams of saturated fat. A bakery cupcake typically contains 20 grams of fat, with 12 grams of saturated fat. A store-bought cupcake typically contains 14 grams of fat, with 5 grams of saturated fat.