Biology & Life Science
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Tree Diameter Calculator.
Calculate tree diameter using explicit user inputs and documented assumptions.
On-device calculationNo signup
01
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02 / ANSWER
Diameter: 31.831 cm
Radius: 15.915 cm
Basal area: 795.775 cm²
This page uses the explicit circumference method: diameter = circumference ÷ π. Measure around the same trunk point used for your field record.
FAQs
What assumptions does this tree diameter calculator use?
All variable factors are entered explicitly; no species, ingredient, density, or recipe defaults are hidden.