A spirit labeled 80 proof is equivalent to which percent alcohol by volume (ABV)?

• A. 40% ABV.
• B. 20% ABV, since proof is typically halved to get ABV only for wines and not spirits.
• C. There is no relation; proof and ABV are independent measures that cannot be converted without a lab test.
• D. 80% ABV, because the proof value equals ABV in most countries.

Answer: (A)