RED Calc Free

v1.0, Legacy Tool

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Summary: Calculate up to seven moisture metrics — saturation vapor pressure, relative humidity, dew point temperature, water vapor density, vapor pressure, wet-bulb temperature, and humidity ratio — merely by entering dry-bulb temperature and one of the previous values. It’s like having all the benefits of a psychrometric chart without the chart complexities. See Tool GuideClick on any input or result label for help. By using this tool (application) you agree to the Terms of Use.

This legacy tool is NOT optimized for mobile devices. Stay tuned for the mobile-optimized version 2.0.