Grams-force to micronewtons conversion calculator shown above calculates how many micronewtons are in 'X' grams-force (where 'X' is the number of grams-force to convert to micronewtons). In order to convert a value from grams-force to micronewtons (from gf to μN) simply type the number of gf to be converted to μN and then click on the 'convert' button.