Use this free online calculator to convert Rood to Ri [Japan] instantly. This area conversion tool provides accurate results for all your measurement needs.

Quick Reference

1 Rood = 0.257630 Ri [Japan]

1 Ri [Japan] = 3.8815 Rood

Rood to Ri [Japan] Conversion Formula

To convert Rood to Ri [Japan], multiply by 0.257630.

Ri [Japan] = Rood × 0.257630

Rood = Ri [Japan] × 3.8815

To convert Ri [Japan] back to Rood, divide by 0.257630 (or multiply by 3.8815).

About These Units

About Rood

The rood is a a traditional unit of area used to measure land. A rood is the area of a narrow strip of land one furlong (40 rods, or 660 feet) long and one rod (16.5 feet) wide. Thus the rood is equal to 40 square rods (or perches), which equals 1210 square yards, or 10 890 square feet, or exactly 1/4 acre. That would be the area of a lot 22 yards wide and 55 yards deep, about the size of many suburban lots. One rood is approximately 1011.714 square meters, or 0.101 171 4 hectare.

About Ri [Japan]

The ri is a traditional Japanese unit of distance, sometimes called the Japanese league because it is of similar length to the European league. The ri equals 2160 ken or 12 960 shaku (the shaku being the Japanese equivalent of the foot). This is about 3927 meters or 2.44 statute miles.

Rood to Ri [Japan] Conversion Table

Rood	Ri [Japan]	Ri [Japan]	Rood
0.1	0.025763	0.1	0.388153
0.5	0.128815	0.5	1.9408
1	0.257630	1	3.8815
2	0.515261	2	7.7631
5	1.2882	5	19.4077
10	2.5763	10	38.8153
20	5.1526	20	77.6306
25	6.4408	25	97.0383
50	12.8815	50	194.0766
100	25.7630	100	388.1531
250	64.4076	250	970.3828
500	128.8151	500	1940.77
1000	257.6303	1000	3881.53

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