The calorie content in Vodka varies based on its quantity as well as preparation. 1 Oz of Vodka without ice contains 64.2 calories. 1.5 ounces of 70 proof Vodka which has around 35% alcohol contains 55 calories per ounce, 80 Proof Vodka which has around 40% alcohol contains around 65 calories in each ounce, 90 proof vodka that as around 45% alcohol contains approximately 75 calories per ounce and 100 proof vodka that has around 50% alcohol contains approximately 85 calories per ounce.
If you consume a shot of 70 proof vodka you will consume 85 calories (one shot would be around 1.5 ounces), when you consume a shot of 80 proof vodka, the amount of calories being consumed by you is 100, if you consume a shot of 90 proof vodka then you are consuming 115 calories and if you consume 100 proof vodka you are taking in 130 calories.
Vodka is usually consumed as a part of different cocktail drinks. The calorie content in each of these differs based on the content of the cocktails. For instance Absolute Madam which contains Vodka and Midori has 210 calories per Glass, Moscow Rule contains 160 calories per Glass, Seabreeze contains 125 calories per Glass, Finlandia: Alcoholic Soda: Vodka Pulp contains 200 calories per Glass, a bottle of Spirits: Vodka contains 1530 calories, Vodka with Lemon and Soda and 5% alcohol contains 255 calories per can, 1 can of Vodka with Lime and Orange and 5 % alcohol also has 255 calories and a bottle of Vodka Cruiser: Alcoholic Soda with 5% alcohol contains 210 calories.
Vodka does not contain any fat, protein and carbohydrate contents. However, carbohydrate content is present in the cocktails mentioned above. The calorie content of Vodka rises when had as a part of these cocktails. Thus, if you are calorie conscious it is recommended to have Vodka with diet soda as it is calorie free.