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Old 08-27-2011, 12:49 AM   #1
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Default Simple BIAB Calculator

Most of the existing brew tools are geared towards "traditional" all-grain brewing. That can make it difficult to figure out volumes and temps for BIAB brewers. I whipped up this simple calculator today and thought maybe some other people might benefit from it. It'll give you volumes in gallons and inches based on your kettle size as well as strike temp.

Doesn't look like much since I just put it together. I'll style it next week.

http://www.simplebiabcalculator.com/

03/03/2012 UPDATE: I've updated the calculator by adding some styling and tips. It should be very accurate now. BIAB definitely leads to higher collection than traditional techniques. I believe this is because there is more pressure on the grains when you lift the bag. Also, it seems that people tend to squeeze the crap out of their bags. I'm going to add the mashout option next.

03/03/2012 UPDATE2: OK, mashout option has been added. It will calculate the amount of boiling water to raise the mash to ~170F.

04/10/2012 UPDATE3: Created a custom domain for the calculator.

08/03/2012 UPDATE4: Added support for metric units.

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Old 08-27-2011, 01:33 AM   #2
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That is awesome - far better than the one on dedicated BIAB site which is in metric.

Thanks!!!!

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Old 08-27-2011, 02:46 PM   #3
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Thank you, I have been using an exel file for my calcs and figuring strike temps via beercalculus.com. This looks really nice. It's prettier and better formatted than my exel!

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Old 08-27-2011, 04:20 PM   #4
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I'm glad you guys find it useful! I used that BIAB spreadsheet from biabbrewer.info but it was trying to be an all-in-one recipe/calculator tool. It had way more info than I needed and was also missing a few things. I keep my recipes in Beer Alchemy and just needed something simple to calculate everything for me.

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Old 08-27-2011, 05:13 PM   #5
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I was asked for a downloadable version. Here you go. Just extract the .zip and open up index.html in your web browser.

http://www.gregstiffler.com/biabcalc/biabcalc.zip

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Old 08-27-2011, 05:24 PM   #6
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I appreciate it, mrgstiffler, for you uploading it. I can't get it to work though, Tried it on 2 computers and when I shut off the 'net, it won't calc. Thanks anyway!!

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Old 08-27-2011, 05:31 PM   #7
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Oops, sorry about that. I was using a Javascript library from the internet. Have it local now. Just redownload/extract. I even tested it this time...

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Old 08-27-2011, 05:46 PM   #8
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Works great now!!!! Thanks much, setting up now for a CAP for brewing tonight. Again, thanks much!!!

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Old 08-27-2011, 07:05 PM   #9
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Nice job. Thanks for sharing your efforts.

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Old 08-28-2011, 03:54 AM   #10
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Just brewed with this today for the first time and it seems pretty accurate. Was about 1/8" off a couple times, but that's it.

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