HVAC Duct Calculator Watch
Airflow and Velocity Tool
0 ratings
Archived App (Last seen on 24 Oct 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Estimate duct air velocity from airflow and duct dimensions directly on your wrist. Choose round or rectangular ductwork, enter CFM and dimensions with the Digital Crown, and view FPM immediately.
Save named duct calculations for different rooms or jobs. Reload, rename, update, and delete stored calculations at any time.
• Round and rectangular ducts
• CFM and FPM calculations
• Equivalent round diameter
• Persistent job records
• No internet required
Field estimate only. Verify final system design requirements.
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What's New in HVAC Duct Calculator Watch
1.0
August 6, 2026
