Newtons per square meter to hectopascals conversion calculator above calculates how many hectopascals are in 'X' newtons per square meter (where 'X' is the number of newtons per square meter to convert to hectopascals). In order to convert a value from newtons per square meter to hectopascals (from N/m² to hPa) just type the number of N/m² to be converted to hPa and then click on the 'convert' button.