Air and Water Vapor Calculator

Choose a calculation and click submit
  1. Convert Relative Humidity to % Volume (H2O)
  2. Convert % Weight (H2O) to % Volume (H2O)
  3. Convert % Volume (H2O) to % Weight (H2O)
  4. Convert SCFMd to ACFM
  5. Convert ACFM to SCFMd
  6. Convert Lb/Hr Gas to SCFMd
  7. Convert Lb/Hr of Pollutant to PPM
  8. Convert Lb/Hr of Pollutant to grains/dscf
  9. Convert In WG to PSIA
  10. Convert Site Elevation to Atm. Pressure
  11. Apparent Molecular Weights (Volumetric)
  12. Apparent Molecular Weights (Mass)

Note: McGill AirClean makes its Tech Tools information, data, and formulas available for your convenience and free use. Much of it is from the public domain, but some may be applicable only to McGill's specific, proprietary products. McGill makes no assurances or warranties, and assumes no liability for your use of its Tech Tools. Please contact with your questions.

©2005-2017 McGill AirClean LLC
1777 Refugee Road, Columbus, Ohio 43207, Phone: 614/829-1200, Fax: 614/445-8759
An enterprise of United McGill Corporation – Family owned and operated since 1951

Unless otherwise noted, all (™) trademarks and (®) registered trademarks are property of United McGill Corporation.

Products depicted were current at the time of publication. All product designs, specifications, and features are subject to change without notice.