I have a bunch of small amounts of leftover specialty grains ranging from 3 ounces to about 8 ounces of various types. I'd like to brew something with them. Are there any good sites out there that might allow me to enter the grains I have and suggest a recipe style that might come from the grains I entered?

  • This would have been a feature of www.BrewSession.com (probably around v3.0) but development on that has pretty much halted. Jan 13 '10 at 15:06
  • I'd be interested in writing some code for this sort of tool. Jan 13 '10 at 15:38
  • I can offer some design services.
    – Mattress
    Jan 13 '10 at 17:32
  • PJ knows where to find me. Matt, drop me an email: dean@brewsession.com Jan 13 '10 at 21:12
  • Cleaning up tags: Changed recipes -> recipe Feb 10 '10 at 17:13

"Beer Calculus" is great. http://beercalculus.hopville.com/recipe

This calculator has an EXTENSIVE selection of malt/fermentation (preloaded OG/FG and color based on sugars), hops (with typical AA %), yeast strains (ale/lager, dry/liquid, and flocculation level), and boils/primary/secondary add-ins (lots of them!).

Great calculator where you can select target beer styles or make your own style by helping you gauge sweet/bitter, color, alcohol, and make a shopping list!

*This is not a reverse calculator, but does allow selection from many sugars/fermentables. From there you can see what else you would need to buy/add to tailor to your liking.

  • I'd vote for this thrice if I could. Thanks Stephen Jan 19 '10 at 2:43
  • After playing around with the target style feature a bit, I've decided to accept this as the answer. Thanks!
    – JackSmith
    Feb 5 '10 at 20:03

I have never seen what you are talking about before. Its a shame because I have heard several people ask for it. You might be able to seach the BeerTools recipe database for a single ingredient, but I don't remember. Here are some links to popular online recipe generating calculators. Although none of them are "reverse" calulators.

Good luck. My only other solution would be to post what you have on a typical brewing forum site and ask for feedback and recipes that way. You'll find some creative solutions that way I am sure.

BeerTools Online has one. You have to create a user account, but its free.
Tasty Brew has a decent calculator.
I used to use The BeerRecipator a long time ago.


Beersmith lets you search for recipes based on your inventory (scroll down to "Search By Ingredient"). If you don't already have a huge bank of recipes in Beersmith, they have recipe packs to pre-populate your database.

Alternatively, there's always Google.


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