What is Conversion ?
Conversion is (noun) 1. the act or process of changing one thing into another the conversion of an old chapel into a modern house I need a calculator to work out the conversion of £500 into pesetas. 2. the turning of a person to another set of ideas or religion She underwent a sudden conversion to Islam. 3. the act of converting a try in the game of rugby His attempted conversion failed, and the scores remained level.
source: Easier English, Student Dictionary Upper Intermediate Level