If humidity is measured as a relative humidity RH%, the amount of water of an ideal gas xH2O [mol/mol] is calculated as follows:
Si l &apos; on mesure l &apos; humidité en tant que humidité relative RH%, la quantité d &apos; eau d &apos; un gaz idéal xH2O [mol/mol] se calcule de la manière suivante: