Brix to SG Conversion Chart- OG/FG with attenuation - Home Brew Forums
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Old 02-08-2012, 05:25 PM   #1
diS
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Apr 2011
Croatia
Posts: 997
Liked 48 Times on 45 Posts



I made conversion chart that shows FG values for different OG"s, with percentage of yeast attenuation.
That was something that annoyed me when I started to work with refractometer, but not anymore..

It cover values from 15 Brix (1.061 OG) to 11.8 Brix (1.048 OG) with related attenuation values from ~45% to ~80%.

Example how to use it: we have wort with 12.8 Brix starting gravity (1.052) and at the end of fermentation it is at 7.2 Brix. Read value that crosses between 12.8 in column and 7.2 in row- 1.015 with 71% attenuation.

Since Excel adds weird bold lines at pdf documents I uploaded .xlsx and Google docs version.

PDF
http://www.2shared.com/document/I4gG...ion_Chart.html

XLSX
http://www.2shared.com/file/l3MmfLkr...ion_Chart.html

Google Docs
https://docs.google.com/spreadsheet/...Eh2YTNUNnpubnc
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Old 02-08-2012, 05:36 PM   #2
ehedge20
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Oct 2010
Posts: 328
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Cool, now I need to buy a refractometer lol.

 
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Old 02-08-2012, 06:32 PM   #3
jlachesk
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Jan 2010
MD
Posts: 83

This may be the exact reference I needed to have available to finally go out and buy a refractometer. I've seen some posts about decently nice ones on ebay for ~$20.

 
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Old 02-08-2012, 08:20 PM   #4
diS
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Apr 2011
Croatia
Posts: 997
Liked 48 Times on 45 Posts


Yes, I bought my from ebay, it is one of best investments I made.
I need only one drop and light source, not to mention how easy is to take SG reading during boil.
__________________
We are only 10,000 years into beer... there are thousands of years left to go!
Things are bound to change!!

Brewroom with HERMS build
Fermentation chamber and Keezer.. a.k.a. FermKeezer

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Old 02-08-2012, 08:28 PM   #5
samc
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Aug 2008
Portland OR
Posts: 5,387
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Nice chart! Thanks will save some time next brew.

 
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