In the Meiji period, 1 shaku (a Japanese unit of length) was set at 10 over 33 meter, so 1 bu (calculated by multiplying 6 shaku by 6 shaku) was roughly equal to 3.305785 square meters, so 1 se became about 99.174 square meters.
明治時代に1尺＝(10/33)メートルと定められたので、1歩＝約3.305785平方メートルとなり、1畝＝約99.174平方メートルとなる。