About this Tool
WinFab – Sheet Metal Ductulator
![]()
WinFab – Sheet Metal Ductulator
The tool covers rectangular, round, and oval duct calculations, allowing users to input parameters such as airflow (CFM), velocity, and friction rate to receive immediate sizing results. It also includes fittings and transition calculations, which are essential for estimating material requirements and ensuring proper system design.
WinFab is intended for HVAC contractors, sheet metal workers, and engineers who need reliable duct calculations without relying on manual lookup tables or desktop software. Its mobile format makes it practical for use in the field, reducing the need for printed reference charts or separate calculation tools.
Pros & Cons
✓ Pros
- ✓Fast on-site duct calculations
- ✓Covers multiple duct shapes
- ✓No internet required
✗ Cons
- ✗iOS only
- ✗No cloud sync or collaboration
- ✗Limited to duct sizing functions
Key Features
Rectangular, round, and oval duct sizing calculations
Airflow (CFM) and velocity-based duct dimension output
Fittings and transition calculations for material estimation
Friction rate and pressure drop reference values
Quick input parameters for on-site use
Supports standard HVAC duct sizing conventions
No internet connection required for core calculations
Designed for sheet metal fabricators and HVAC contractors
📋 Scripts & Prompts for WinFab – Sheet Metal Ductulator
Copy these AI-powered scripts to get maximum value from this tool. Sign up free to copy.
🔌 MCP Servers for WinFab – Sheet Metal Ductulator
Connect these MCP servers to give Claude, Cursor & Cline superpowers with this tool. Sign up free to copy install commands.
🤖 AI Agents for WinFab – Sheet Metal Ductulator
Pre-built automation agents that work with this tool — import in one click. Sign up free to access.
Similar Business & SaaS Tools
Tags
Frequently Asked Questions
WinFab – Sheet Metal Ductulator is available as $3.99. Visit the tool's website for the latest pricing details and plan options.
Visit the WinFab – Sheet Metal Ductulator website to check whether a free tier or free trial is available.
WinFab – Sheet Metal Ductulator is available on iOS. Check the official website for the latest platform support.
Many tools offer free trials to let you test before subscribing. Check the WinFab – Sheet Metal Ductulator website for current trial availability and duration.