Confused over ABV calculation

Discussion in 'Homebrewing' started by bubseymour, Jan 14, 2017.

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  1. bubseymour

    bubseymour Grand Pooh-Bah (4,800) Oct 30, 2010 Maryland
    Pooh-Bah Trader

    The ZD clone recipe says:
    1.070 OG
    1.012 FG

    With a ABV of 6%

    Whether I do the formula on my calculator (OG-FG)x 131 or use a website calculator, this comes out around 7.86% Very confused here.
     
  2. hezagenius

    hezagenius Initiate (0) Jan 3, 2011 Iowa

    The ABV of 6% is wrong if those are the correct OG and FG
     
    GreenKrusty101 likes this.
  3. hezagenius

    hezagenius Initiate (0) Jan 3, 2011 Iowa

    With those gravities, the ABV should come out around 7.6%
     
    GreenKrusty101 likes this.
  4. StupidlyBrave

    StupidlyBrave Zealot (507) Jan 2, 2009 Pennsylvania

    That OG seems high. I brewed something similar in September - OG was 1.062 and FG was 1.012. Should have been about 6.6%
     
  5. bubseymour

    bubseymour Grand Pooh-Bah (4,800) Oct 30, 2010 Maryland
    Pooh-Bah Trader

    Now I wish I would have remembered to check the OG myself before I sealed up the fermenter. No biggie though, Myself and my beer pals can guesstimate about how much ABV there is once we start drinking the finished product. Not like I'm putting it out on the market or anything.
     
    GormBrewhouse likes this.
  6. GreenKrusty101

    GreenKrusty101 Initiate (0) Dec 4, 2008 Nevada

    If it was an extract batch, it's pretty hard to miss your OG...unless you are volume measurement impaired :slight_smile: cheers, rdwahahb
     
    GormBrewhouse and PapaGoose03 like this.
  7. GreenKrusty101

    GreenKrusty101 Initiate (0) Dec 4, 2008 Nevada

    Just goes to show that you can't believe alternate facts on the internet :slight_smile:
     
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