A plain bagel with a standard serving of regular cream cheese, generally around 2 tablespoons, contains 450 calories. As bagels come in a number of different varieties, the type of bagel consumed and the amount of cream cheese added can affect the total number of calories. Additionally, there are several varieties of cream cheese, and these alternate versions can either increase or decrease the total amount of calories consumed.
Bagels are a popular food and come in a number of different varieties. There are countless spreads available for topping bagels and cream cheese, one such popular spread, is also a fairly diverse topping. If such a bagel is topped with cream cheese, the total amount of calories consumed is dependent on which type of bagel a person consumes, which type of cream cheese is used and whether the person consumes the entire bagel with cream cheese.