Shaw Moisture Meters Dewpoint Calculator, a free online tool for dewpoint conversions of your measurement units, enabling calculations to be made for moisture levels at different pressures.

Shaw Dew Point Calculator

Accurately measure the dew point of a range of substances with the Shaw online Dew Point calculator.


Please enter a number in either one of the two dewpoint values, selecting appropriate units, or one of the four absolute values before pressing the calculate button. 'Line Pressure' and 'Gas Type' are only required as inputs if the 'dewpoint at line pressure' or 'ppm(w)' are to be used/calculated.

PLEASE NOTE: Whilst every effort has been made by Shaw Moisture Meters to ensure that the calculations derived by the moisture calculator are correct, it assumes no responsibility for any errors. In no event shall Shaw Moisture Meters be liable for any damages whatsoever, arising from or relating to information contained in this site.

Gas Type
Dewpoint Observed
Absolute Values
  • ppm(v)
  • ppm(w)
  • g/m³
  • lb/ MMSCF

Shaw Moisture Meters design and manufacture dew point meters, portable and hand held hygrometers, moisture analyzers, dew point sensors and dew point transmitters for industrial and commercial applications.

For advice choosing the right product for your application contact us: +44 (0) 1274 733582 or