Atmospheres (technical) to kilopascals conversion calculator shown above calculates how many kilopascals are in 'X' atmospheres (technical) (where 'X' is the number of atmospheres (technical) to convert to kilopascals). In order to convert a value from atmospheres (technical) to kilopascals (from at to kPa) just type the number of at to be converted to kPa and then click on the 'convert' button.