Calories in a Seven Eleven Slurpee

On a hot summer day, a Seven Eleven Slurpee can hit the spot. But a free Seven Eleven Slurpee is even better — which could be why the chain gives them away periodically. (If you're saying to yourself, "Where is a Seven Eleven near me?" check out the store locator). However, just keep in mind that depending on the size, the calories and sugar can add up quickly. The nutritional information for a Slurpee is based on an 8-ounce, or 1-cup, serving.

The caloric content of a Seven Eleven Slurpee depends on the flavor. The majority of the flavors contain around 65 calories per serving. A Coca-Cola Classic Slurpee contains 65 calories, a Fanta Wild Cherry Slurpee contains 66 calories, a Mountain Dew Slurpee contains 60 calories and a Fanta Grape Slurpee contains 67 calories.

You should consider the sugar content when buying a Slurpee. A Coca-Cola Classic Slurpee contains 18 grams of sugar, a Fanta Wild Cherry Slurpee contains 18 grams, a Mountain Dew Slurpee contains 16 grams and a Fanta Grape Slurpee contains 18 grams. This means that the average Slurpee contains 4 to 4.5 teaspoons of sugar -- and 100 percent of the calories in a Slurpee come from sugar.