Equilibrium Moisture Content Calculator  
     
  Equilibrium moisture content (EMC) of wood equilibrated to a specific temperature and relative humidity.  
     
 
Ambient Air Temperature ( ):
Relative Humidity (%):
 
 
     
 
  Equations used in the above calculation were taken from a report by the Forest Products Laboratory: Equilibrium Moisture Content of Wood in Outdoor Locations in the United States and Worldwide. See here.