The Timber Buyers Network    Tree Volume Calculator

Input variables
Dbh= diameter @ breast height (4.5’ from the ground) 
Ht=# logs # of logs is the number of 16’ usable or merchantable logs.
Form Class  Form Class refers to the amount of taper.  Most common is 78, then 80.
Click Here for Form Class guide for region and species

Doyle = Td
Scribner = Ts
International = Ti


Actual tree volume may differ of course, due to form, quality and species
Footage may differ from published charts due to rounding.

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