Skip to content

Stockpile Volume Calculator

Estimate volume of stockpiles using geometric methods

1.15 = 15% swell | 0.85 = 15% shrinkage

Volume Results

Elliptical Cone3141.59
Elliptical Hemisphere6283.19
Average4712.39
Base Area1178.10

Adjusted Volume

In-situ Volume4712.39
Loose Volume (×1.15)5419.25

Slope Angle Method

Using 35° angle of repose:

Effective Radius:11.4 m
Volume:1312.28

Common Slope Angles

Sand/Gravel30-35°
Crushed Rock35-40°
Clay (damp)15-25°
Topsoil (loose)30°

Typical Bulk Factors

Common Earth1.10 - 1.15
Rock (blasted)1.20 - 1.30
Sand1.05 - 1.10
Clay1.05 - 1.20

Quick Compute