What Proof is 30% Alcohol by Volume? Understanding the Strength of Spirits
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4 min read
In the United States, a standard calculation for alcoholic spirits dictates that proof is exactly double the percentage of alcohol by volume (ABV). This means that for anyone asking what proof is 30% alcohol by volume, the answer is precisely 60 proof. This specific strength is quite common among various liqueurs and aperitifs found in bars and homes across the country.
