Dirt and Mud - Densities

Reference table for dirt and mud density values used in engineering calculations and material specifications.

Material Type	Density (kg/m³)	Density (lb/ft³)	Moisture Content	Notes
Clay, wet	1600	99.8	High	Saturated state
Clay, dry	1400	87.4	Low	Dried state
Mud, freshwater	1500	93.6	High	Soft, waterlogged
Mud, saltwater	1520	94.9	High	Marine sediment
Sandy soil, loose	1450	90.5	Medium	Not compacted
Sandy soil, compacted	1550	96.8	Medium	Compacted state
Silt, wet	1480	92.3	High	Saturated
Silt, dry	1350	84.3	Low	Dried
Loam, average	1450	90.5	Medium	Mixed composition
Peat, wet	1100	68.7	Very High	Organic matter