Log Weight Calculator

Log Weight Calculator

Estimate the total weight of wooden logs based on type, size, and moisture condition — useful for construction and transport planning.

About Log Weight Calculation

The weight of a log depends mainly on its wood species, dimensions, and **moisture content**. Different woods have different densities — for example, pine is lighter (≈560 kg/m³) while oak and rosewood are much denser.

To find the weight, we calculate the log’s **volume** first and then multiply it by the density of the selected wood:

Weight (kg) = Volume (m³) × Density (kg/m³)

Typical Densities of Common Woods

  • Pine — 560 kg/m³
  • Oak — 670 kg/m³
  • Cedar — 510 kg/m³
  • Teak — 600 kg/m³
  • Spruce — 450 kg/m³
  • Mahogany — 700 kg/m³
  • Birch — 640 kg/m³
  • Maple — 720 kg/m³

Moisture has a strong effect — freshly cut (green) wood can be 20–30% heavier than dried wood, which is why the moisture adjustment is crucial for accurate transport planning.