FreightCal2026
Lumber & Timber·Class 60

Density of Douglas Fir (Structural Timber)

Premier timber species for heavy timber frames, glue-laminated beams (Glulam), and engineered wood products.

Density (PCF)34lbs / cu ft
Metric Density0.54g / cm³
Density (SI)540kg / m³
NMFC FreightClass 60112000
Industrial Material & Freight Sizing

Material Weight & Freight Density Calculator

Select an industrial material or enter custom density. Calculate dimensions to total weight, volume, NMFC class, and trailer payload limits.

lbs/cu ft
Total Shipment Weight
227 lbs
103 kg · (5 units)
Single Piece Weight
45.3 lbs
20.6 kg per unit
Freight Class & Density
Class 60
34 PCF (0.545 g/cm³)
53ft Semi PayloadOK
0.5%
of 45,000 lbs legal payload

Logistics & Transport Recommendations

Pallet Packaging Rule

Safe stacking limit: 55 pieces per pallet to stay within the 2,500 lbs standard wood pallet rating.

NMFC Item Guidance

Reference code: 112000 (Softwood Timbers). Rated under Class 60 based on 34 PCF density.

  • Shipment utilizes 0.5% of a standard 53ft trailer's 45,000 lbs legal cargo payload (44,773 lbs capacity remaining).
  • Standard GMA pallet recommendation: Maximum 55 units per pallet to remain within the 2,500 lbs safe working limit.

Shipping, Packaging & Stacking Specifications for Douglas Fir

Transport & Palletizing Rules

Western softwood prized for dimensional stability and high strength-to-weight ratio for beams and posts.

Typical Industrial Applications
  • Heavy timber trusses
  • Glulam beams
  • Pole buildings
  • Plywood veneers
Critical Handling Cautions:
  • Splinter hazard; use mechanical clamp trucks or forks for lumber packs
Material density and metallurgical weight benchmarks correspond to standard test specifications from ASTM International and density rating tables from NMFTA.

Compare with Other Lumber & Timber

View all materials
Class 55Red Oak Hardwood (Kiln-Dried 8% MC)
45 lbs/cu ft
Class 60Southern Yellow Pine (Kiln-Dried)
35 lbs/cu ft
Class 55CDX Structural Plywood (4x8 Sheets)
38 lbs/cu ft

Douglas Fir Weight & Freight FAQs

What is the density of Douglas Fir (Structural Timber) in lbs/cu ft and g/cm³?

The standard density of Douglas Fir (Structural Timber) is 34 pounds per cubic foot (lbs/cu ft), which equals 0.54 grams per cubic centimeter (g/cm³) or 540 kilograms per cubic meter (kg/m³).

What NMFC freight class is assigned to Douglas Fir?

Due to its density of 34 PCF, shipments of Douglas Fir typically qualify for Class 60 (the lowest, most economical LTL freight tier for dense cargo exceeding 50 lbs/cu ft). The primary reference item is 112000 (Softwood Timbers).

How many pieces of Douglas Fir can I load on a standard pallet?

A standard GMA 48x40 wooden pallet is rated for a maximum payload of 2,500 lbs. Use our interactive calculator above to enter your exact plate, bar, or tube dimensions to verify your pieces-per-pallet threshold before strapping.