How many Calories in a GP?

Discussion in 'Homebrewing' started by inchrisin, Oct 30, 2012.

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  1. inchrisin

    inchrisin Pooh-Bah (2,013) Sep 25, 2008 Indiana
    Pooh-Bah

    I just tried my hand at a few batches of rootbeer. I started to think about if it would be any healthier than the stuff you buy at the grocery store. I never really dug into how calorie calculators worked with brewing beer, or if there are adjustments for each of the ingredients. Is there an estimation on how many calories are in a gravity point?
     
  2. DrewBeechum

    DrewBeechum Pooh-Bah (1,954) Mar 15, 2003 California
    Pooh-Bah

    3.8 calories per gram of sugar - go from there
     
  3. Lare453

    Lare453 Pooh-Bah (2,884) Feb 1, 2012 Florida
    Pooh-Bah Trader

    7 calories per gram of alcohol
     
  4. good_gracious

    good_gracious Initiate (0) Aug 19, 2012 Maryland

    How can that be? I thought liquor was calorie free
     
  5. evantwomey

    evantwomey Initiate (0) Jan 1, 2008 North Carolina

    You thought wrong, man.
     
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  6. good_gracious

    good_gracious Initiate (0) Aug 19, 2012 Maryland

    Damn that's what I get for listening to the word on the street for all these years
     
  7. marquis

    marquis Pooh-Bah (2,313) Nov 20, 2005 England
    Pooh-Bah

    OG is a measure of the sugar concetration of the wort. Calories also depend on the quantity!
    Roughly there will be 5 calories per GP per Imperial pint..
     
  8. JulianC

    JulianC Initiate (0) Mar 9, 2012 Illinois

    I'm kind of a calorie counter, and I use a very rough rule of thumb. For every 3% of ABV, I estimate 100cal. 6% pale? 200cal. 9% DIPA? 300 cal. 12% barleywine? 400 cal. 15% BCBS? 500 cal. These all assume 12oz portions. Yep, every BCBS you drink is like a cheesburger :slight_smile:
     
  9. CellarGimp

    CellarGimp Initiate (0) Sep 14, 2011 Missouri

    I seem to recall Bigfoot clocking in at 320 calories.
     
  10. JulianC

    JulianC Initiate (0) Mar 9, 2012 Illinois

    Bigfoot = 9.6% so my formula is pretty spot on.

    Either way, this just gives me a ballpark of the damage in a night and how many hours I need to work out the next day lol.
     
  11. VaTechPhilly

    VaTechPhilly Savant (1,170) Oct 28, 2010 New York
    Trader

    I suppose this is why I have gained weight since I have started drinking more DIPA's and stouts. All my favorites are more than 7 or 8%.
     
  12. inchrisin

    inchrisin Pooh-Bah (2,013) Sep 25, 2008 Indiana
    Pooh-Bah


    This is a really good rule of thumb. Thanks for that.
     
  13. kjyost

    kjyost Initiate (0) May 4, 2008 Canada (MB)

    That's a horrible rule of thumb, only works for 3,6,9 & 12% beers.

    I prefer my rule of thumb of 33 1/2 calories per % of ABV :wink:
     
  14. JulianC

    JulianC Initiate (0) Mar 9, 2012 Illinois

    That would be 33 1/3 per %, but close enough :wink:
     
  15. kjyost

    kjyost Initiate (0) May 4, 2008 Canada (MB)

    I teach high school math. No one can add thirds in their heads... :slight_smile:
     
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  16. epk

    epk Pundit (849) Jun 10, 2008 New Jersey

    Both of those rules of thumb have more or less the same results but I suppose it is easier just to multiply 33.3 by the ABV.
     
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