In the Azuchi-Momoyama period, to set the currency unit based on the quaternary notation system, kyome kin 1 ryo was changed to 4 monme 4 bu and inakame kin 1 ryo was changed to about 4 monme.
安土桃山時代には四進法の通貨単位の便宜を図るためか、京目金一両は四匁四分と変化し、田舎目金一両は四匁前後となった。