=0.24*B2+(1061+0.444*B2)*C7
The ability to determine all air properties from any two knowns, such as Dry Bulb Temperature (DBT) plus Relative Humidity (RH) or Wet Bulb Temperature (WBT). psychrometric calculator excel free download
Several engineering blogs and GitHub repositories host free .xlsx files. "RH") directly into any cell. However
: Most tools can determine the full state of moist air by entering any two independent properties. for 90% of users—students
If the free calculators feel clunky, consider the for Excel (usually $10–$30). These add a function to your ribbon so you can type =PsyDB(80, 50, "RH") directly into any cell. However, for 90% of users—students, small contractors, and energy auditors—the free standalone download works perfectly.