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Material densities

Approximate room-temperature densities for common workshop materials. Alloy, wood, and filled-filament values vary by formulation, species, and moisture content.

Metals

MetalDensity (g/cm3)Density (kg/m3)Source
Steel 7.85 7850 Engineering ToolBox, Metals and Alloys - Densities
Aluminium 2.712 2712 Engineering ToolBox, Metals and Alloys - Densities
Brass 60/40 8.52 8520 Engineering ToolBox, Metals and Alloys - Densities
Lead 11.34 11340 Engineering ToolBox, Metals and Alloys - Densities
Tungsten 19.6 19600 Engineering ToolBox, Metals and Alloys - Densities
Gold 19.32 19320 Engineering ToolBox, Metals and Alloys - Densities
Silver 10.49 10490 Engineering ToolBox, Metals and Alloys - Densities

Woods

Densities below are for seasoned and dry wood.

WoodDensity (g/cm3)Density (kg/m3)Source
Balsa (low extreme) 0.11 - 0.14 110 - 140 Engineering ToolBox, Density of Wood Species
Pine, white 0.35 - 0.50 350 - 500 Engineering ToolBox, Density of Wood Species
Poplar 0.35 - 0.50 350 - 500 Engineering ToolBox, Density of Wood Species
Cedar 0.49 - 0.57 490 - 570 Engineering ToolBox, Density of Wood Species
Douglas fir 0.53 530 Engineering ToolBox, Density of Wood Species
Walnut 0.64 - 0.70 640 - 700 Engineering ToolBox, Density of Wood Species
Maple 0.62 - 0.75 620 - 750 Engineering ToolBox, Density of Wood Species
Oak 0.60 - 0.90 600 - 900 Engineering ToolBox, Density of Wood Species
Beech 0.70 - 0.90 700 - 900 Engineering ToolBox, Density of Wood Species
Ash, white 0.65 - 0.85 650 - 850 Engineering ToolBox, Density of Wood Species
Teak, Indian 0.66 - 0.98 660 - 980 Engineering ToolBox, Density of Wood Species
Ebony (high extreme) 1.11 - 1.33 1110 - 1330 Engineering ToolBox, Density of Wood Species
Lignum vitae (high extreme) 1.17 - 1.33 1170 - 1330 Engineering ToolBox, Density of Wood Species

Building materials

MaterialDensity (g/cm3)Density (kg/m3)Source
Concrete, lightweight 0.45 - 1.0 450 - 1000 Engineering ToolBox, Solids - Densities
Concrete, medium 1.3 - 1.7 1300 - 1700 Engineering ToolBox, Solids - Densities
Concrete, dense 2.0 - 2.4 2000 - 2400 Engineering ToolBox, Solids - Densities

Plastics and filaments

Plastic or filamentDensity (g/cm3)Density (kg/m3)Source
ABS 1.06 1060 Engineering ToolBox, Solids - Densities
Nylon 6 1.12 - 1.17 1120 - 1170 Engineering ToolBox, Solids - Densities
Nylon 6,6 1.13 - 1.15 1130 - 1150 Engineering ToolBox, Solids - Densities
LDPE 0.91 910 Engineering ToolBox, Solids - Densities
HDPE 0.96 960 Engineering ToolBox, Solids - Densities
Polypropylene (PP) 0.91 - 0.94 910 - 940 Engineering ToolBox, Solids - Densities
Polystyrene (PS) 1.03 1030 Engineering ToolBox, Solids - Densities
Acrylic (PMMA) 1.2 1200 Engineering ToolBox, Solids - Densities
Polycarbonate (PC) 1.2 1200 Engineering ToolBox, Solids - Densities
PET 1.35 1350 Engineering ToolBox, Solids - Densities
Acetal (POM) 1.4 1400 Engineering ToolBox, Solids - Densities
PVC 1.39 - 1.42 1390 - 1420 Engineering ToolBox, Solids - Densities
PTFE 2.28 - 2.30 2280 - 2300 Engineering ToolBox, Solids - Densities
PLA filament 1.24 1240 MG Chemicals Premium 3D Printer Filament-PLA data sheet, via Farnell
Tungsten-filled filament, 75% by mass 4.0 4000 Prusa, Prusament PETG Tungsten 75%

To estimate mass, multiply density by volume. For example, a 10 cm3 steel part is about 7.85 * 10 = 78.5 g.