Old kyomasu had 5 sun square, 2 sun and 5 bu (1 bu is a tenth of 1 sun) in width, with 62.5 cubic sun, and had the volume of 1.74 liters, that is, 0.964 size of new kyomasu.
古京枡は縦横5寸、深さ2寸5分で、62.5立方寸、容積は1.74リットル、新京升の0.964倍であった。