Tree Value Calculator
Combine DBH, species quality, condition, and location ratings to approximate tree replacement value.
Obtain base costs from regional arborist association tables.
Instructions
Measure DBH
Use standard DBH measurement at 4.5 ft above ground.
Select species factor
Refer to local valuation guides for species quality ratings.
Assess condition and location
Evaluate structural health, aesthetics, and site benefits to apply percentages.
Formula
Value = Area × Base Cost × Species × Condition × Location
Area = π × (DBH ÷ 2)2
Percent ratings are expressed as decimals (e.g., 80% → 0.80). Base cost reflects local replacement pricing per square inch of trunk area.
About This Tool
The trunk formula method, endorsed by arborist associations, provides a standardized approach for valuing landscape trees during insurance claims and damage assessments.
Adjust base costs and rating factors based on regional guidance, arborist reports, and site-specific considerations for defensible valuations.
Common Questions
Where do base costs come from?
Consult state arborists, Cooperative Extension, or ISA chapters for current cost per square inch tables.
How do I rate condition?
Evaluate structural defects, pests, vigor, and canopy fullness using standardized condition guides.
What if the tree is irreplaceable?
The trunk formula offers an approximation; heritage or historic status may warrant additional valuation methods.
Should I include removal costs?
Removal and remediation are calculated separately. This tool estimates replacement value only.