How many beers equals a fifth of whisky?

It's not possible to give a simple, accurate answer to how many beers equal a fifth of whiskey. Here's why:

* Alcohol Content Varies: The alcohol content (ABV) of beers and whiskeys can vary widely. A typical beer might have 4-6% ABV, while whiskey can range from 40-60% ABV.

* Serving Size: A fifth of whiskey is a specific volume (750 ml). But a "beer" can be a 12 oz bottle, a 16 oz pint, or even a larger size.

It's not about finding an exact equivalent, but understanding the alcohol content:

* Think in terms of "standard drinks": A standard drink contains about 0.6 fluid ounces of pure alcohol.

* Calculate alcohol units: You can figure out how many standard drinks are in a bottle of whiskey or a particular beer by multiplying the volume (in ounces) by the ABV and then dividing by 0.6.

Important Note: Consuming large amounts of alcohol can be harmful. It's always best to drink responsibly and in moderation.