Carbs in Bagels. The favorite choice for the term Bagels is 1 regular Bagel which has about 50 grams of carbohydrate. The total carbohyrate, sugar, fiber and estimated net carbs (non-fiber carbs) for a variety of types and serving sizes of Bagels is shown below.View other nutritional values (such as Calories or Fats) using the filter below:aten by sparkythehutt for Snacks/Other | Find related foods. Bagel with Raisins. Please note that some foods may not be suitable for some people and you are urged to seek the advice of a physician before beginning any weight loss effort or diet regimen.