How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Mixing ratio per dry-air mass
0.621945*vapor/(pressure-vapor)*1000Vapor pressure must be less than total pressure.
Vapor pressure must be less than total pressure.
Enter your values and run the tool to see your result.
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
0.621945*vapor/(pressure-vapor)*1000