No species growth-factor table or ring-counting method is supplied.
How to use Tree Age Calculator
- Enter quantities in the units shown and identify the observation period, product basis or geometric model.
- Supply targets, prices and management assumptions from an appropriate external plan; the calculator does not choose them.
- Select Calculate and read the result with its limitations. Reset restores the starting form.
Calculation method
Estimated years = diameter cm / 2.54 × chosen years-per-inch growth factor.
Read the two focused guides
Continue with Tree Growth Factors: A Diameter-Based Age Is a Rough Scenario for the other part of this measurement question.
Continue with Documented Planting Age and Estimated Stem Age Are Different Records for the other part of this measurement question.
Related measurement
Tree Diameter Calculator uses a related quantity or unit, with its own assumptions.
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