If you dilute 1,000 liters of 70% ABV spirit down to 40% ABV, you get 1,750 liters of product. That’s 750 extra liters of “free” (or very cheap) liquid. For mass-market blends, bottling at 40% instead of 43% or 46% can mean millions of dollars in additional profit per year. Therefore, the 40% ABV standard is a compromise between preserving flavor and maximizing yield.

This is where the subject gets counterintuitive. Many beginners assume that higher alcohol equals stronger flavor. That is both true and false.

If you walk into any supermarket, the vast majority of standard blended Scotch whiskies, Irish whiskeys, and entry-level bourbons will be exactly 40% ABV. This is not an accident. It is a legal and economic target.

Some enthusiasts prefer whisky bottled directly from the barrel without dilution. These often range from

More subtle and delicate. Lowering the ABV can make it easier to detect specific floral or fruity notes that might otherwise be "hidden" by the burn of the alcohol. Should You Add Water?

The percentage of alcohol in whisky usually ranges from . While the 40% standard provides a reliable, smooth experience, exploring higher-strength or cask-strength whiskies can reveal a deeper complexity and a truer representation of the distillery’s character.