Tree Age Calculator

Understanding the age of a tree can help you make better decisions about its health, safety, and long-term care. Our Tree Age Calculator gives you a quick estimate based on the trunk’s circumference, offering a simple way to learn more about the history and condition of the trees on your property. While this tool provides a helpful guideline, a qualified arborist can give a more accurate assessment by considering species, environment and growth conditions.

Tree Age Calculator

This is a rough estimate based on average growth rates. Actual age may vary depending on species and growing conditions.

How to Use the Tree Age Calculator

  1. Measure the tree’s trunk circumference at 1.4 m above the ground.

  2. Enter the measurement (in centimetres) into the calculator.

  3. Click Estimate Age.

  4. View your tree’s approximate age based on average growth rates.

That’s it. Fast, simple and completely non-invasive.

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