In the Azuchi-Momoyama period, chigyodaka (a stipend in terms of rice production of the fief) was represented by the volume of rice to be supplied; that is to say, by the unit of 'koku' (also called kokudaka), which was organized during the Taiko kenchi (the cadastral survey of Taiko) conducted by Hideyoshi TOYOTOMI.
そのため安土桃山時代においては、豊臣秀吉による太閤検地によって、知行高は支給される米の容積による「石(単位)」（石高）で表されるようになった。