HVAC Duct Size Converter
Convert HVAC duct sizes between round and rectangular equivalents using the Huebscher equation (equal friction method). Shows multiple aspect ratio options.
How to Use HVAC Duct Size Converter
Select conversion direction (round to rectangular or vice versa), enter duct dimensions in inches, and click Convert. The tool uses the Huebscher equation to calculate equivalent sizes at various aspect ratios.
Step-by-Step Instructions
- Select round-to-rectangular or rectangular-to-round
- Enter duct dimensions in inches
- Click Convert to calculate equivalents
- View equivalent sizes and hydraulic diameter
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