Humidity calculations and conversions made easy - Vaisala

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Humidity is quantified and defined by several different parameters: relative humidity, dewpoint, mixing ratio, absolute humidity, enthalpy, wet bulb, ppm, and partial pressure. Which term you utilize depends on several factors such as your industry, what information you need, the measurement environment, desired accuracy, etc.

For good measurement practice, Vaisala offers several tools to help convert and quantify humidity parameters. Vaisala Humidity Calculator - use online or download stand-alone humidity calculator here. Or download a white paper (PDF) here.