Good when it works, it often crashes
Good when it actually works but crashes often
This calculator is Bad at Math
The output from this calculator was is complete wrong. 4000 fpm through a 10” round duct is 2182 CFM. This calculator output ~8000 CFM.
$2.99
About
Easily calculate air velocity and airflow volume for various duct types. Input dimensions and units, and get instant results for HVAC and ventilation applications.
✓Calculate air velocity and airflow volume
✓Support for circular and rectangular ducts
✓Multiple unit options for velocity, volume, and dimensions
✓Instant result display
✓Useful for HVAC and ventilation
Show original description
What's New in Air Flow Conversion Calculator
1.2
January 3, 2026
- Updated for the newest devices. - Minor bugs fixed.
User reviews
Developer apps
FAQ
What is the price of Air Flow Conversion Calculator?
Air Flow Conversion Calculator is a paid app, priced at $2.99. This one-time purchase grants you access to all its features without additional costs.
Does Air Flow Conversion Calculator have ads?
No, Air Flow Conversion Calculator is ad-free. You can perform your calculations without any interruptions from advertisements.
What devices is Air Flow Conversion Calculator compatible with?
Air Flow Conversion Calculator is available for iPhone, iPad, and iPod touch devices. It is designed to run on Apple's iOS operating system.
How often is Air Flow Conversion Calculator updated?
The app was last updated on January 3, 2026, with version 1.2. While specific update frequency isn't detailed, this indicates ongoing support and potential improvements.
What is the age rating for Air Flow Conversion Calculator?
Air Flow Conversion Calculator has an age rating of 4+. This means it is suitable for users of all ages, with no mature content.
What are the supported units for air velocity in Air Flow Conversion Calculator?
Air Flow Conversion Calculator supports several units for air velocity, including feet per minute (LFM), meters per second (m/s), and miles per hour (MPH).
Can Air Flow Conversion Calculator handle different duct shapes?
Yes, Air Flow Conversion Calculator supports calculations for both circular and rectangular ducts. You can input the required dimensions for each shape.
What is the user rating for Air Flow Conversion Calculator?
Air Flow Conversion Calculator has an average rating of 3.6 stars from 10 ratings. This feedback provides insight into user satisfaction with the app's functionality.
