Convert ri (里) — the old Japanese unit for long distances — to kilometers and miles.
1 ri = 3.92727 km (2.44029 mi) / 1 km = 0.25463 ri
| ri | km | mi |
|---|---|---|
| 1 | 3.92727 | 2.44029 |
| 2 | 7.85455 | 4.88059 |
| 3 | 11.7818 | 7.32088 |
| 5 | 19.6364 | 12.2015 |
| 10 | 39.2727 | 24.4029 |
| 20 | 78.5455 | 48.8059 |
| 30 | 117.818 | 73.2088 |
| 50 | 196.364 | 122.015 |
| 100 | 392.727 | 244.029 |
| km | ri |
|---|---|
| 1 | 0.25463 |
| 4 | 1.01852 |
| 10 | 2.5463 |
| 20 | 5.09259 |
| 40 | 10.1852 |
| 50 | 12.7315 |
| 100 | 25.463 |
| 200 | 50.9259 |
| 400 | 101.852 |
Chart values are rounded to 6 significant figures.
One ri (里) is 36 chō = 12960 shaku = exactly 129600/33 of a meter — about 3.92727 km. One kilometer is about 0.25463 ri.
Since one mile is exactly 1609.344 m by definition, one ri is about 2.44029 miles.
The ri measured distances along the old highways, marked by ichirizuka (one-ri milestones).
← All Japanese units converters
1 ri = 3.92727 km (about 2.44029 mi). Going the other way, 1 km = 0.25463 ri. One ri (里) is 36 chō = 12960 shaku = exactly 129600/33 of a meter — about 3.92727 km. One kilometer is about 0.25463 ri.
Type a number into either box of the converter above and the other value appears instantly; use the ⇄ button to swap which unit is on the left. All figures are rounded to 6 significant figures and calculated in your browser.
