Site Work Tools

Fill Dirt Calculator

Calculate cubic yards of fill material needed for grading, backfill, and elevation changes. Includes compaction and shrink factors.

Fill Area Specifications

Fill Material Estimate

Fill Needed 0 cu yd
Compacted Volume 0 cu yd
Uncompacted Volume 0 cu yd
Shrink Factor 15%
Loose Cubic Yards 0 cu yd
Truck Loads 0
Lifts/Passes (6" lifts) 0
Material & Install Cost $0

Fill Shrink Factors

  • Common soil: 10-15% shrink
  • Sand/Gravel: 5-10% shrink
  • Clay: 15-20% shrink
  • Structural fill: 8-12% shrink

Formula

Volume = Area × Depth

Cu Yd = Volume ÷ 27

Loose Vol = Compacted ÷ (1 - Shrink%)

Lifts = Depth ÷ 6 inches

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