Use this forestry calculation to summarize a measured tree, plot, canopy, fuel, biomass, carbon, growth, density, or wood-volume quantity under a stated inventory convention.

Sum Dominant Heights Meters (m)

Required number input.

Dominant Tree Count

Required integer input.

Mean height of a selected dominant-tree sample from summed heights and sample tree count. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Dominant Height Meters (m)

The resulting dominant height meters returned as a number.

• Inventory summaries depend on breast-height definition, inclusion threshold, plot design, bark treatment, slope correction, damaged stems, measurement error, and expansion weights. Arithmetic and basal-area-weighted means answer different questions.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Use locally validated equations and inventory protocols, retain species and measurement metadata, aggregate with appropriate plot expansion and sampling weights, and report uncertainty with stand-level results.

• Arithmetic Mean Diameter

  Arithmetic mean DBH in centimetres from summed diameters and measured tree count.

• Relative Spacing Index

  Mean tree spacing as a percentage of dominant height, using sqrt(10000/N) for N stems per hectare.

• Loreys Mean Height

  Lorey's mean tree height, weighted by each tree's basal area, from aggregate basal-area-height and basal-area sums.