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 Et Cetra  Homebrew

Calculate Specific Gravity from Plato

Jeremy Short · Nov. 2

 

Every now and then you may run into a beer or beer recipe that give Plato instead of Specific Gravity. And there's an easy calculation to convert between the two:

 

( Plato / ( 258.6 - ( ( Plato / 258.2 ) * 227.1 ) ) + 1 = Specific gravity

 

Well maybe easy isn't the right word, but to make it easier I made a little calculator to help with the math:

 


 

Or, if your just looking for a cheat sheet, here is a quick conversion reference:

 

Plato Gravity
1 1.004
2 1.008
3 1.012
4 1.016
5 1.020
6 1.024
7 1.028
8 1.032
9 1.036
10 1.040
11 1.044
12 1.048
13 1.053
14 1.057
15 1.061
16 1.065
17 1.070
18 1.074
19 1.079
20 1.083
21 1.087
22 1.092
23 1.096
24 1.101
25 1.106

 

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