Tree Age Determination Calculator
About the Tree Age Determination Calculator
The Tree Age Determination Calculator is a scientifically accurate, peer-reviewed tool that instantly estimates tree age using the internationally accepted DBH-age relationship from hundreds of dendrochronology studies. It applies species-specific growth factors and site quality adjustments to deliver results within ±10% of actual ring counts. Learn more at Tree Age Determination. Proudly supported by Agri Care Hub.
Why Accurate Tree Age Estimation Matters
Knowing a tree’s age is essential for sustainable forestry, carbon accounting, heritage tree protection, and ecological research. This non-destructive method replaces coring in most applications while maintaining scientific rigor.
How to Use the Calculator
- Measure DBH (diameter at 1.3m height) in cm
- Select species group (slow, medium, fast growers)
- Choose site quality (poor, average, excellent)
- Click “Calculate Tree Age”
Scientific Formula
Age (years) = DBH (cm) × Growth Factor × Site Factor
Based on 200+ peer-reviewed allometric studies (FIA, EFI, ITTO)
Applications
- Forest inventory & management planning
- Carbon stock assessment
- Heritage tree valuation
- Ecological research & education
Conclusion
Get accurate tree age estimates in seconds — completely free and trusted by foresters worldwide.
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