how many calories in shots in vodka
1.5 ounce shot of vodka (or other liquor i.e. tequila, rum) at 80 proof has 100 calories. At 100 proof a shot has 124 calories. 80 proof vodka contains 40% alcohol. 1 gram of alcohol has 7 calories (7 calories per gram) 1 shot is about 45 milliliters by volume. A shot of 80 proof vodka would consist of 18 milliliters of alcohol (40%) and 27 milliliters of water (60%) 1 ml of alcohol weighs .8 grams. 1 shot would contain about 14.4 grams of alcohol (18 X 0.8) by weight. 14.4 grams X 7 calories per gram =100.8 calories in one shot of 80 proof vodka.