The article explains the distinction between 'ABV' (alcohol by volume) and 'proof' in the context of distilled spirits. It notes that while ABV is a straightforward measure of alcohol content and must be displayed on labels, proof is derived from ABV and has historical significance. Proof is calculated by doubling the ABV; for instance, an alcohol content of 40% ABV translates to 80 proof. In the U.S., proof influences distillation practices, particularly differentiating bourbon from whiskey based on specific proof requirements.
Proof and ABV are crucial metrics when understanding spirits. ABV measures the actual alcohol content while proof serves as a historic method of categorizing alcohol strength.
In the U.S., proof is calculated by doubling the ABV, while the average consumer primarily recognizes ABV due to its legal requirement on labels.
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