This app is to provide assistance in the proper sizing of a gas account during a mode change to cryogenic storage equipment by asking important inputs unique to the account and the gas supplier. The app is designed to work for nitrogen, oxygen, argon and carbon dioxide service with one gas per sizing.

What’s New

Version 4.0

Fix the CO2 gas values.

Ratings and Reviews

5.0 out of 5
4 Ratings

4 Ratings

Timothy@TheRiv ,


Versatile and accurate as promoted.

The Merkelator ,

Chart Sizing App

Outstanding tool. Thanks professor Chart.

App Privacy

The developer, Chart Industries, Inc., has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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