Biology
Basal Area Calculator
Find a tree's basal area from its diameter (DBH).
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Basal area is the cross-sectional area of a tree trunk at breast height — key for forestry stocking.
The math behind it
basal area (ft²) = 0.005454 × DBH² (DBH in inches).
Worked Example
12 in DBH → 0.785 ft².Frequently Asked Questions
Per acre?
Sum the basal areas of all trees in an acre for stand density.
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