OhMyCalc

Compaction Factor Calculator

Calculate the compacted volume and shrinkage percentage for different soil types from loose volume.

How to Use the Compaction Factor Calculator

  1. Enter the loose soil volume in m³.
  2. Select the soil type.
  3. Click Calculate to see compacted volume and shrinkage percentage.

Casos de Uso

Fórmula

Compacted volume = Loose volume / Compaction factor. Shrinkage % = (Loose − Compacted) / Loose × 100.

Preguntas Frecuentes

What is a compaction factor?
The compaction factor (or swell factor) represents how much loose soil compacts under load. Clay shrinks more than sand.
Why does clay have a higher factor?
Clay has more void space when loose and compacts significantly more than granular soils like sand or gravel.
Is it free?
Yes, all calculators on OhMyCalc are completely free.