Skip to Content

Dew point at 20 °C and 80 % humidity

Enter the air temperature and relative humidity to get the dew point, moisture content and enthalpy. Useful for knowing at which wall temperature condensation starts.

Parameters

Result

Approximate calculation using a simplified model: for designing equipment and process modes, consult a technologist.

Calculation example

What we calculate
Air state
Air temperature
20 °C
Relative humidity
80 %
Humidity ratio
11,67 g/kg of dry air
Dew point
16,4 °C
Wet-bulb temperature
17,7 °C
Enthalpy
49,8 kJ/kg
Density of humid air
1,196 kg/m³
Saturation vapour pressure
2,33 kPa

Frequently asked questions

What is the dew point?
It is the temperature to which air must be cooled at constant moisture content to become saturated and start condensing.

The calculations are approximate: they help to assess the process and compare options, but do not replace a process design and trials on a specific raw material. This section is for reference only and contains no commercial offers.