FreightCal2026
Building Materials & Minerals·Class 55

Density of Natural Marble (Architectural Slabs)

Metamorphic rock formed from recrystallized limestone, prized for luxury interior finishes.

Density (PCF)165lbs / cu ft
Metric Density2.64g / cm³
Density (SI)2,640kg / m³
NMFC FreightClass 5590000
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
1,100 lbs
499 kg · (5 units)
Single Piece Weight
220.0 lbs
99.8 kg per unit
Freight Class & Density
Class 50
165 PCF (2.643 g/cm³)
53ft Semi PayloadOK
2.4%
of 45,000 lbs legal payload

Logistics & Transport Recommendations

Pallet Packaging Rule

Safe stacking limit: 11 pieces per pallet to stay within the 2,500 lbs standard wood pallet rating.

NMFC Item Guidance

Reference code: 90000 (Marble Slabs Polished). Rated under Class 50 based on 165 PCF density.

  • Shipment utilizes 2.4% of a standard 53ft trailer's 45,000 lbs legal cargo payload (43,900 lbs capacity remaining).
  • Standard GMA pallet recommendation: Maximum 11 units per pallet to remain within the 2,500 lbs safe working limit.

Shipping, Packaging & Stacking Specifications for Marble

Transport & Palletizing Rules

Shipped vertically on A-frame racks. Susceptible to fracturing along natural calcite veins.

Typical Industrial Applications
  • Bathroom vanity tops
  • Luxury flooring
  • Statuary & fireplaces
  • Wall veneers
Critical Handling Cautions:
  • Acid sensitive; keep away from battery acid and road salts
Material density and metallurgical weight benchmarks correspond to standard test specifications from ASTM International and density rating tables from NMFTA.

Compare with Other Building Materials & Minerals

View all materials
Class 50Standard Cured Concrete (Normal Weight)
145 lbs/cu ft
Class 55Natural Granite Stone (Solid Slabs)
168 lbs/cu ft
Class 50Standard Red Clay Brick
120 lbs/cu ft

Marble Weight & Freight FAQs

What is the density of Natural Marble (Architectural Slabs) in lbs/cu ft and g/cm³?

The standard density of Natural Marble (Architectural Slabs) is 165 pounds per cubic foot (lbs/cu ft), which equals 2.64 grams per cubic centimeter (g/cm³) or 2,640 kilograms per cubic meter (kg/m³).

What NMFC freight class is assigned to Marble?

Due to its density of 165 PCF, shipments of Marble typically qualify for Class 55 (the lowest, most economical LTL freight tier for dense cargo exceeding 50 lbs/cu ft). The primary reference item is 90000 (Marble Slabs Polished).

How many pieces of Marble 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.