International ¼ Inch Log Rule for Standing Trees
Approximate the gross board foot volume of a tree using the International ¼ Inch log scale.
Board foot value results are for Girard form class 78.
This calculator uses the merchantable height of the tree measured from a one-foot stump height to where the main stem diameter equals a specified limit usually no less than 7 inches measured inside the bark.
International ¼ Inch Log Rule for Standing Tree BFM Volume
- enter the merchantable height of a tree in feet
- tree diameter measured at breast height in inches
- International ¼ Inch board feet volume of the tree as reported for Girard form class78