Understanding Whiskey Proof: A Guide to Its Meaning and Impact
When you see a number followed by “proof” on a whiskey bottle, it refers to the alcohol content, specifically twice the alcohol by volume…
The Quick Answer Proof 40 means the spirit contains 20% alcohol by volume (ABV). In other words, a bottle labeled “40 proof” is exactly half the strength of a standard 80‑proof (40% ABV) liquor. Understanding Proof and ABV The term…
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