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Question: What has more alcohol content per fluid ounce whiskey, wine or beer?

For your future reference, the "proof" of a bottle of booze indicates the percentage of alcohol content. Divide the rated "proof" by 2 and that is the alcohol percentage. If the whiskey is 80 proof, then it is 40% alcohol. If it is 120 proof, it is 60% alcohol. You hear talk of "Everclear" or "190" and these are considered as pure alcohol as you can get because they are 190 proof or 95% alcohol.