Temperature Corrections

This page provides a calculator for correcting specific gravity, pH, or volume measurements based on temperature. There's also a conversion between specific gravity and degrees Plato, thrown in for free as a special bonus.

Units:

Input Units: metric or U.S. customary (e.g. Fahrenheit, gallons)

Corrections:

Measured
Value
Measured
Temperature
Calibration
Temperature
Corrected
Value
SG:   at   X ,  when at   X  =  
pH:   at   X ,  when at   X  =  
volume: U  at   X ,  when at   X  =  


Conversions:

SG:   =   °Plato

For Debugging, or "Not Yet Ready For Prime Time":

R.corr: measured %   at temperature X , actual =   %
A.corr: measured %   at temperature X , actual =   %

The specific-gravity correction comes from an article by M. L. Hall in the Summer 1995 edition of Zymurgy.
The pH correction comes from my blog post Some Observations of Mash and Wort pH.
The volume conversion comes from a NIST publication by F. E. Jones and G. L. Harris (vol. 97, no. 3, 1992).
The conversion between SG and °Plato comes from Jean De Clerck's A Textbook of Brewing (1957), published in Beer and Brewing.



Versions:

1.0.0: (2021-Aug-21) Initial version.
1.0.1: (2021-Nov-25) Minor updates.
1.0.2: (2022-Jan-02) Add debugging section for internal use only.

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Copyright © 2021 John-Paul Hosom, all rights reserved. While I hope that you find this page useful, I make no guarantees about the accuracy or suitability of the results. Cheers!