The price of the Oban whose ryome is 44 monme 2 bu evaluated as 8 ryo 2 bu,10 ryo of which equals 52 monme, deducing Ichibukin 4 monme 4 bu as commission charges for kin-za (an organization in charge of casting and appraising of gold during the Edo period) equals 47 monme 6 bu, making 1 ryo equal 4 monme 7 bu 6 rin.
また、量目が四十四匁二分の大判の道具値段が八両二分と評価されており、十両分では五十二匁となり、金座の貨幣鋳造手数料にあたる分一金四匁四分を差し引き四十七匁六分となり、一両では四匁七分六厘とする説もある。