How many units of alcohol are in 500 mL of vodka?
                                
                                
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                                    4 min read                                
                            
                                A single 25ml shot of 40% ABV vodka contains exactly one unit of alcohol. To calculate how many units of alcohol are in 500 mL of vodka, you must first know its specific Alcohol by Volume (ABV) percentage, as this figure is crucial for an accurate result.