Earthworks

Shrinkage / Compaction Calculator

Estimate compacted volume after applying a shrinkage or compaction percentage.

Shrinkage / Compaction Calculator

Enter your values below and press calculate.

Enter your values above to see the result.

Formula used

Compacted volume = volume × (1 - shrinkage %).

Example

120m³ with 15% shrinkage gives 102m³ compacted volume.

Important note

Compaction behaviour depends on material type, moisture condition, compaction method and specification requirements.

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