Convert Ri (Japanese Mile) to miles
East Asia · East Asian Length · historical · colonial
Historically reconstructed The unit is no longer in use and its value is reconstructed from historical and scholarly sources — treat it as indicative.
1 Ri (Japanese Mile) = 2.44012 miles
miles = Ri (Japanese Mile) × 2.4401247
Convert any amount
Ri (Japanese Mile) to miles table
| Ri (Japanese Mile) | miles |
|---|---|
| 0.25 Ri (Japanese Mile) | 0.610031 miles |
| 0.5 Ri (Japanese Mile) | 1.22006 miles |
| 1 Ri (Japanese Mile) | 2.44012 miles |
| 2 Ri (Japanese Mile) | 4.88025 miles |
| 3 Ri (Japanese Mile) | 7.32037 miles |
| 4 Ri (Japanese Mile) | 9.7605 miles |
| 5 Ri (Japanese Mile) | 12.2006 miles |
| 10 Ri (Japanese Mile) | 24.4012 miles |
| 20 Ri (Japanese Mile) | 48.8025 miles |
| 25 Ri (Japanese Mile) | 61.0031 miles |
| 50 Ri (Japanese Mile) | 122.006 miles |
| 100 Ri (Japanese Mile) | 244.012 miles |
About the Ri (Japanese Mile)
Japanese mile ≈ 3.93 km.
- Symbol
- 里
- Value in SI
- 1 Ri (Japanese Mile) = 3,927 metre
- Typical use
- navigation
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI metre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other east asian length units in the East Asia family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many miles are in a Ri (Japanese Mile)?
1 Ri (Japanese Mile) = 2.44012 miles. Multiply the number of Ri (Japanese Mile) by 2.4401247 to get miles.
What is Ri (Japanese Mile) used for?
Japanese mile ≈ 3.93 km. It is classified as historical and dates from the colonial period.
Is the Ri (Japanese Mile) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI metre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Ri (Japanese Mile) conversion?
Historically reconstructed — The unit is no longer in use and its value is reconstructed from historical and scholarly sources — treat it as indicative. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Ri (Japanese Mile) to miles. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/ri-japan-to-mile
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