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