How Relative Humidity Relates to Wood Moisture Content

Dr. Eugene Wengert, known as the Wood Doctor, explains how to determine equilibrium moisture content (EMC) using relative humidity (RH).

We would like to give credit to the presenters of this video information: The Wood Component Manufacturers Association and the University of Wisconsin, and acknowledgment of the cooperation of Richardson Brothers Company for use of their plant in the production of these video clips.

More from the Wood Doctor: see the full Wood & Moisture Training series.

What is Moisture Content (MC)?
Wood Manufacturing Problems Associated with Moisture
How to Correct Wood Moisture Content (MC)
How Wood Reacts to Moisture
How Relative Humidity Relates to Wood Moisture Content (this video)
How to Determine the Correct Wood Moisture Content
Storing Lumber and Wood Products

Questions? Call 800-585-3023.

Shop Orion Moisture Meters

By Dr. Eugene Wengert
Copyrighted material
Used with permission by Wagner Meters

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Last updated on August 18th, 2026

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