Vapor Pressure Calculator

The vapour pressure is the pressure of a vapour in contact with its liquid or solid form. This online vapor pressure calculator is designed to calculate the vapour pressure of either actual or saturated based on the data entered. In this calculator, you can calculate both the temperature and dew points. Click on the proper one which you want to calculate from the drop down before entering the values.

Result :

Calculate the water vapor pressure from the values of temperature or dew point using our simple vapor pressure calculator. Relative humidity can also be calculated by knowing these two values.