Does anyone know of a good place to get all the various formulas used to compute final gravity, color, bitterness, etc. in your beer?

6 Answers 6


Open-source brewing software:

Non-open-source brewing software:

  • Brewer's Friend has a number of excellent online calculators distinguished by having documented details on their approach and the references/formula used.


  • This is exactly the sort of info I was looking for! Thanks! :D
    – Ryan
    Commented Nov 17, 2010 at 15:29

Hopville has a nice online recipe calculator: http://beercalculus.hopville.com/recipe. You can store your recipes on the site too which makes it very easy share your awesome creations with others :)


Jamil has a great pitching rate calculator on his site, which you might be interested in.


The Beer Recipator is another good one.


I am a fan of BeerSmith. Performs tons of calculations, maintains recipes, and all around is a handy tool to have. There is a trial version to get a feel for it, and for me it was well worth the cost to get the full version.


Have a look at captainbrew.com. You can create recipes, adjust gravity or bitterness, scale a recipe, create brew sessions and many more. There are also other calculators included like Yeast Pitching Rate, Priming Sugar, Keg Carbonation, ABV , Sparge Water, Washed Yeast.

  • The poster wants the formulas, not a recipe generator. Are you with Captainbrew? This is your second or third post where you include it in your answer? No big deal just asking.
    – brewchez
    Commented Jan 19, 2016 at 17:23

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