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Basal Area Calculator

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The Basal Area Calculator calculates the basal area per acre of a forest based on the Diameter at Breast Height (DBH) of trees and the Number of Trees per Acre.

Basal area is a key measure in forestry that indicates the density of a forest, providing valuable insights for forest management, biodiversity, and timber assessment.

Basal Area Calculator

How to use the Calculator:

  1. Enter the Diameter at Breast Height (DBH) in inches.
  2. Enter the Number of Trees per Acre.
  3. Click Calculate to view the Basal Area per Acre in square feet.
  4. To clear all inputs and start a new calculation, click Reset.

Solved Calculations

Example 1

Step Calculation
DBH 12 in
Trees per Acre 100
Basal Area per Acre (to be calculated)
Calculation 0.005454 × 12² × 100 = 78.13 ft²

In this example, with a DBH of 12 inches and 100 trees per acre, the basal area per acre is calculated as 78.13 square feet.

Example 2

Step Calculation
DBH 15 in
Trees per Acre 80
Basal Area per Acre (to be calculated)
Calculation 0.005454 × 15² × 80 = 98.19 ft²

For a forest with an average DBH of 15 inches and 80 trees per acre, the basal area per acre is 98.19 square feet, reflecting the density of trees within that area.

 

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