Psychrometric Calc

Contains adsIn-app purchases
3.9
200 reviews
50K+
Downloads
Content rating
Everyone
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About this app

This Psychrometric Calculator allows you to compute moist air properties given only altitude, dry-bulb temperature and either wet-bulb, dew point or relative humidity.

Outputs include Atmospheric pressure, Humidity Ratio, Specific Enthalpy, Specific Volume and Partial Vapor Pressure.

Imperial (IP) and Metric (SI) units are supported. Toggling between unit systems is in the option menu. You can also toggle lb/lb to Grains/lb and kg/kg to Grams/kg by clicking the button with the humidity ratio units.

You can remove ads through a small in-app purchase by clicking Remove Ads in the options menu. Your support will help further development on this and other HVAC related apps.

Features planned for a future updates:
-Mixed air calculations, process calculations, IP to SI comparison

The calculations in this app are based on formulas in ASHRAE Fundamentals Handbook 2017 (Chapter 1).

I am a licensed Professional Engineer in the HVAC industry with a passion for building apps that are intuitive and easy to use by fellow industry professionals.

If you like this app, please consider rating it and leaving a review otherwise please send any feedback to Joe@deltaTsoftware.com or DM @DeltaTSoftware on Twitter. I plan to continue to update this app as well as add more apps to help other HVAC professionals and researchers.

Thank you for your support!
Updated on
Oct 11, 2018

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

3.9
192 reviews
Brush Haidinger
January 19, 2024
Good application, performs as advertised. The only annoying downside is that it constantly shifts back to American units. If I set units to SI, I want them to remain like that.
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A Google user
September 8, 2023
Be careful, don't accidentally touch on TEMU ad install button. I sent feedback to the developer to get get rid of TEMU ad. Watch to see if it gets done.
1 person found this review helpful
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D A
August 4, 2021
Good, to use, if psychometric charts if added, and the points displayed on it, will be excellent.
3 people found this review helpful
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What's new

Updated for Android Pie