In 1669, Edo bakufu (Japanese feudal government headed by a shogun) abolished edo-masu, which was used mainly in Edo and had the same volume as old kyomasu, and enforced the use of new kyomasu, which was a little larger than old kyomasu.
1669年、江戸幕府は、江戸を中心に使われていた江戸枡（古京枡と同じ量）を廃止し、古京枡より少し大きい新京升の採用を命じた。