How many calories does American cheese have?

According to FatSecret.com, a single-slice serving of American cheese contains 96 calories. This one-slice serving weighs about 1 ounce. American cheese is a pasteurized, processed cheese product often made from a variety of cheeses, including cheddar and Colby.

American cheese can be made with varying levels of milk fat content, so the caloric total may vary. Some producers, including such as Borden and Kraft, make low-fat and fat-free American cheese with as few as 30 to 45 calories per serving. FatSecret.com indicates that a slice of American cheese contains 7.39 grams of fat, 23 milligrams of cholesterol and 5.37 grams of protein.