Trees & Forestry Calculators

Trees & Forestry Calculators

Free online tree measurement, forestry planning, growth and tree value calculators.

Free Tree & Forestry Tools

Calculate tree basal area, estimate tree age, measure diameter and height, plan tree spacing, estimate leaf counts and evaluate approximate tree value. Enter your measurements below to get results instantly.

1. Basal Area Calculator

Calculate the cross-sectional area of a tree trunk at breast height.

Trunk diameter

Diameter unit CentimetersInchesMeters

2. Tree Leaves Calculator

Estimate the total number of leaves using a sample count or branch-based estimate.

Number of leaf-bearing branches

Average leaves per branch

3. Tree Age Calculator

Estimate tree age from trunk diameter and an approximate growth factor.

Trunk diameter (inches)

Growth factor (species-dependent)

4. Tree Diameter Calculator

Calculate trunk diameter from circumference or radius.

Measurement type CircumferenceRadius

Measurement value (cm)

5. Tree Height Calculator

Estimate tree height using horizontal distance and the angle to the top.

Horizontal distance from tree (meters)

Angle to the top (degrees)

Observer eye/instrument height (meters)

6. Tree Spacing Calculator

Estimate planting density and the number of trees for a given area.

Planting area (square meters)

Spacing between rows (meters)

Spacing between trees in a row (meters)

7. Tree Value Calculator

Make a simple estimate from usable wood volume and price per cubic meter.

Trunk diameter (cm)

Usable trunk length (meters)

Usable wood form factor (0–1)

Wood price per cubic meter (₹)

Important: These tools provide mathematical estimates, not certified forestry measurements or appraisals. Tree age depends on species and growing conditions. Leaf counts depend on sampling quality. Actual timber value depends on species, grade, defects, local prices, harvesting costs and applicable regulations.

Forestry calculator formulas and assumptions are provided for educational and preliminary planning purposes. Verify important measurements with a qualified forestry professional.