Author Topic: New Tool: Hydration Calculator  (Read 1901 times)

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Online Pete-zza

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New Tool: Hydration Calculator
« on: October 20, 2011, 09:41:24 PM »
Member November was kind enough to add another tool to his collection of tools at The tool is called a Hydration Calculator and can be accessed via the Tool Selection pull-down menu at the top, left of the above page. The Hydration Calculator is intended to be used where the rated absorption value of a given flour is not specified by the miller. Most millers do not give that value, although some will provide it upon specific request.

The Hydration Calculator calculates the hydration absorption value of a given flour based on its protein content, dietary fiber content and its moisture content, all measured as percents. Usually these values are given most accurately in the specs of a given flour although the fiber content will usually have to be calculated based on information provided in the specs (typically x grams of Dietary Fiber in a 100-gram sample). Most flours at the millerís have a moisture content of around 14%. However, that value can vary, and usually will once the flour enters the distribution system and is held in storage pending delivery to end users.

An example of a typical spec sheet from which the above information can be ascertained is this one for the All Trumps high-gluten flour from General Mills: Similar specs for King Arthur professional flours can be seen at

An added, but optional, feature of the Hydration Calculator is the ability to take into account the atmospheric moisture (from humidity). The entries for this adjustment are the temperature and relative humidity.


EDIT (4/15/14): For the most recent link to the GM All Trumps flours, see

Offline Jet_deck

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Re: New Tool: Hydration Calculator
« Reply #1 on: October 21, 2011, 12:47:53 AM »
Thanks November and Peter.  I just hope the guy can get some rest now. :)
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