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

Quick Reference

1 Ri [Japan] = 2.5836 Mile [Roman Ancient]

1 Mile [Roman Ancient] = 0.387064 Ri [Japan]

Ri [Japan] to Mile [Roman Ancient] Conversion Formula

To convert Ri [Japan] to Mile [Roman Ancient], multiply by 2.5836.

Mile [Roman Ancient] = Ri [Japan] × 2.5836

Ri [Japan] = Mile [Roman Ancient] × 0.387064

To convert Mile [Roman Ancient] back to Ri [Japan], divide by 2.5836 (or multiply by 0.387064).

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 Mile [Roman Ancient]

A non metric unit of length; a statute mile, used for distances over land, is defined as 5280 ft.; a nautical mile, used for distances along the surface of the oceans, is defined as one minute of arc measured along the equator, which equals 6080.27 fit or 1.1516 statute miles.

Ri [Japan] to Mile [Roman Ancient] Conversion Table

Ri [Japan]	Mile [Roman Ancient]	Mile [Roman Ancient]	Ri [Japan]
0.1	0.258355	0.1	0.038706
0.5	1.2918	0.5	0.193532
1	2.5836	1	0.387064
2	5.1671	2	0.774128
5	12.9178	5	1.9353
10	25.8355	10	3.8706
20	51.6711	20	7.7413
25	64.5888	25	9.6766
50	129.1776	50	19.3532
100	258.3553	100	38.7064
250	645.8882	250	96.7660
500	1291.78	500	193.5320
1000	2583.55	1000	387.0639

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