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

Quick Reference

1 Twain = 9.314e-4 Ri [Japan]

1 Ri [Japan] = 1073.65 Twain

Twain to Ri [Japan] Conversion Formula

To convert Twain to Ri [Japan], multiply by 9.314e-4.

Ri [Japan] = Twain × 9.314e-4

Twain = Ri [Japan] × 1073.65

To convert Ri [Japan] back to Twain, divide by 9.314e-4 (or multiply by 1073.65).

About These Units

About Twain

The twain is an old word for the number two, derived from the Anglo-Saxon twegen. The American author Samuel Clemens (1835-1910), who had been a riverboat pilot on the Mississippi in his youth, took his literary name from a traditional riverboat phrase "mark twain", meaning "exactly two" fathoms of water. This was the minimum depth needed for the boats to operate safely without running aground.

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.

Twain to Ri [Japan] Conversion Table

Twain	Ri [Japan]	Ri [Japan]	Twain
0.1	9.314e-5	0.1	107.3653
0.5	4.657e-4	0.5	536.8263
1	9.314e-4	1	1073.65
2	1.863e-3	2	2147.31
5	4.657e-3	5	5368.26
10	9.314e-3	10	10736.53
20	0.018628	20	21473.05
25	0.023285	25	26841.32
50	0.046570	50	53682.63
100	0.093140	100	107365.27
250	0.232850	250	268413.17
500	0.465700	500	536826.34
1000	0.931400	1000	1073652.68

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