Dri-Eaz Psychrometric Calc.

Simple psychrometric calculator for water damage restoration professionals.

Calculate drying environment variables quickly and easily with this all-new psychrometric calculator. Just enter temperature and relative humidity and it will instantly calculate grains per pound (GPP). Or use the Advanced section to calculate vapor pressure and air dew point to material. Switch between F° and C° modes. Features easy-access definitions for all terms.