Whisky: How Much Alcohol is Really in Your Glass? When you pour a dram, the first thing you might notice on the label—besides the age or the distillery name—is a percentage followed by "ABV." If you've ever wondered exactly how much alcohol is in whisky and why it varies so much from one bottle to the next, you aren't alone.
Most standard whiskies—whether Scotch, Irish, bourbon, or rye—are bottled at (alcohol by volume). That means 40–50% pure alcohol, the rest being water and other congeners. whisky how much alcohol