FanCalc

Centrifugal Fan Design & Sizing Calculator

Input Parameters

Flow Rate (m³/hr)

Volume of air per hour.

Static Pressure (mmwg)

Resistance to overcome.

Optional Parameters(Expand)(Collapse)

Desired Efficiency

Target efficiency (0.01-1.0).

Air Density (kg/m³)

Default: 1.225 kg/m³.

Temperature (°C)

Default: 20°C.

Number of Blades (Z)

Specify or leave blank (6-20).

Note: Calculations are based on simplified empirical formulas and standard assumptions. Verify results for critical applications.