Apps

The calculator below can be used to calculate the hydraulic diameter of rectangular duct or tube.

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It works with newer
high end iPhone, iPad and Android devices
- and with most common newer desktop browsers.

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Just visit the App in your browser, and - if you want - bookmark the App in your iPhone, iPad or Android browser - or
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Apps you have visited are saved on newer devices and works offline!

Apps also works offline in newer desktop browsers!