I always get asked how "strong" my beer is. My two methods to measure the alcohol content are:
- (Original Gravity - Final Gravity) x 131.25 = ABV%.
- "Don't worry about the math, just start drinking and see how many beers it takes to knock you off your donkey. ;-) "
Here's a recent post from my Instagram feed:
One of the top questions from my friends? "How strong is this beer?" Well, one way to figure that out is to use a Hydrometer, which measures the density of liquids. Here's how: After you're done with the wort boil, and it's cooled down, take a small amount of your "pre-beer" and measure the OG (original gravity). Then wait for fermentation to do its thing for the next few days. Once it's complete, measure the FG (final gravity). Then take the OG, subtract the FG and multiply by 131.25 to get the ABV. Easy peasy, right? (OG-FG) x 131.25 = ABV%. The OG for last night's IPA is 1.054. The other method: Don't worry about the math, just start drinking and see how many beers it takes to knock you off your donkey. ;-)