Silo Volume Calculator

Estimate the storage capacity of your silo. This tool calculates the volume for cylindrical silos, with or without a conical bottom, based on your provided dimensions.

Enter your silo details below and click “Calculate Volume”

Silo Specifications
Silo Type:
Measurement Units:
Cylinder Diameter:		m
Cylinder Height (Straight Wall):		m
Cone Height (Hopper Height):		m
Note: This calculator provides an estimate of the empty volume. Actual storage capacity may vary due to material properties (density, angle of repose, compaction).

Understanding Silo Volume Calculation

Knowing your silo’s volume is crucial for inventory management, planning, and ensuring you don’t overfill. The calculation depends on the silo’s shape. Most silos are cylindrical, sometimes with a conical bottom (hopper) to aid material discharge.

Cylindrical Section Volume

The volume of the main cylindrical part of the silo is calculated using the standard formula for a cylinder:

V_cylinder = π × (Diameter / 2)² × Cylinder Height

• π (Pi) is a mathematical constant, approximately 3.14159.
• Diameter is the internal diameter of the cylindrical section.
• Cylinder Height is the height of the straight vertical wall of the cylinder.

Conical Bottom (Hopper) Volume

If your silo has a conical bottom, its volume is calculated as:

V_cone = (1/3) × π × (Diameter / 2)² × Cone Height

• Diameter here is the diameter at the base of the cone (which is the same as the cylinder’s diameter).
• Cone Height is the vertical height from the cone’s apex (bottom tip) to its base.

The Total Silo Volume is the sum of the cylindrical volume and the conical volume (if applicable).

Agricultural & Storage Resources

Calculating Bin Capacities (Grains Canada) Geometric Shapes – Volumes (Engineering Toolbox) Silo Types and Capacities (FAO)