• McCampbell Analytical, Inc.
  • Connected With Us
  • 1534 Willow Pass Road Pittsburg, CA 94565

Full-Service Environmental Laboratory with 35 Years of Proven Quality and Expertise

Accredited Testing. Fast Turnaround. Trusted Results

  • Certified & Accredited (NELAP • ELAP • DoD • USDA • AIHA-LAP)
  • Rapid Turnaround Times & Responsive Service
  • Experienced Support for Complex Projects

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Environmental Unit Conversion Calculator

Use this environmental unit conversion calculator to convert analytical chemistry concentrations and molecular weight values commonly used in air, vapor intrusion, drinking water, groundwater, and environmental testing projects.
Amount Compounds


 
STP assumes 24.45 = (25°C and 1 atm).
Units
Molecular Weight
ppbv  
ug/L  
mg/m3  
ppmv  
ug/m3  
%