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

Quick Reference

1 Ri [Japan] = 3.8815 Rood

1 Rood = 0.257630 Ri [Japan]

Ri [Japan] to Rood Conversion Formula

To convert Ri [Japan] to Rood, multiply by 3.8815.

Rood = Ri [Japan] × 3.8815

Ri [Japan] = Rood × 0.257630

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

About These Units

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.

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.

Ri [Japan] to Rood Conversion Table

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

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