Dew Point Calculator

This calculator works out the surface temperature of the pipe, the dew point (temperature at which condensation will form).

Pipe details

Please select pipe material and size.

Pipe material

Pipe size

Temperature details

Please enter fluid temperature, ambient temperature and relative humidity.

Fluid temp. (°C)

Ambient temp. (°C)

Relative humidity (%)

Dew point results

The pipe surface temperature, dew point and whether the pipe will need insulation is displayed below.

Pipe surface temp. (°C)

Dew point


All calculations are only given as a guide and this information should not be considered as replacing or superseding your duty of professional care with regard to suitability, design or specification. Glynwed Pipe Systems (trading as Durapipe UK) nor any other subsidiary of the Aliaxis Group accepts any legal responsibility for the content of these calculators.