A typical average value of the soil dry density for central European soil is 1400 kg/m3. Other typical values of dry density for different types of soil are listed:

Dirt, loose dry1220
Dirt, loose moist1250
Loam1280
Sand, dry1555
Clay, dry1600
Gravel, dry1680
Mud, flowing1730
Clay, wet1760
Mud, steady1840
Sand, wet1905
Gravel, wet2000
Rock, well blasted2480
Limestone2560

Symbol
$d_{\mathrm{soil}}$
Unit
kg/m³
Used in
$\delta _{\mathrm{soil}}$