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Kalkulator BD FT
Forest Inventory

Kalkulator Dirian Pokok Hutan

Calculate board feet for standing tree forest stands.

Forest Stand Calculator

Enter measurements for multiple trees to calculate total board feet

Forest Tip: Group trees by diameter class (e.g., all 14-16" trees together) for efficient inventory calculations.

Timber Cruising

Professional method for estimating timber volume. Sample plots are measured and extrapolated to the entire stand area.

Diameter Classes

Trees are grouped by 2" diameter classes (e.g., 12-14", 14-16"). This simplifies counting and improves accuracy for large stands.

Stand Management

Regular inventory helps plan harvesting schedules, estimate growth rates, and maximize sustainable timber yield.

Soalan Lazim

How do I estimate board feet for a forest stand?
Measure representative trees by DBH and height, count similar trees, then use log rules (Doyle, Scribner, or International) to calculate total volume.
What is a diameter class?
A 2-inch range grouping trees by DBH (e.g., all trees 14-16 inches). This standardizes forest inventory data and simplifies calculations.
How accurate are standing tree estimates?
Typically within 10-15% of actual yield. Factors like tree form, defects, and bucking decisions affect final lumber recovery.

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