Monday, March 5, 2012

Refractometer Calculation for Monitoring Fermentation




Refractometer Calculation for Monitoring Fermentation:
Initial °Brix (refractometer)
Current °Brix (refractometer)
Initial Gravity
Current Gravity (SG)
Current Gravity (°Brix hydrometer)
True °Brix
Residual Sugar (g/L)
Current alcohol (%v/v)
Details:  Monitor the progress of your fermentation using an ATC Refractometer.
Enter the initial °Brix reading (O.G) then enter the current reading, in °Brix.
The form will update, live.

Important:
This calculator involves many approximations and is fine for monitoring the progress of fermentation.
Note:
Refractometers are designed for reading the level of sugar in water.
Readings ought to be corrected for Wort.

Wort S.G = 1+(0.00385x°Brix) - for readings taken in °Brix
Wort S.G = 0.0375+0.9625xS.G(Refractometer) - for readings taken in Specific Gravity points
Wort °Brix = (Wort S.G-1)/0.0385



*** This calculator was originally sourced from Johnathan Musther's excellent page full of useful wine and beer calculators.

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