How Many Calories Are in a Vodka and Diet Coke?

An average 1.5-ounce shot of vodka contains between 100 and 125 calories, depending on the alcohol concentration and brand, while Diet Coke adds approximately one calorie per 8 fluid ounces. The number of calories in a vodka and Diet Coke varies depending on the type and amount of vodka used to make the drink.

Low-calorie cocktails similar to vodka and Diet Coke can be made by mixing vodka with other diet soft drinks, such as Diet Cherry Coke, Diet 7-Up or diet orange soda. Other popular low-calorie cocktails include gin and diet tonic water, rum and Diet Coke or whiskey and club soda.