How many calories are in a hard drink?
                                
                                
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                                    3 min read                                
                            
                                According to MedlinePlus, a standard 1.5-ounce serving of 80-proof distilled liquor contains approximately 97 calories. The exact number of calories in a hard drink depends on the alcohol proof and the mixers used, which can significantly alter the total energy content of your beverage.