Convert Ri (Japanese Mile) to centimetres
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) = 392,700 centimetres
centimetres = Ri (Japanese Mile) × 392,700
Convert any amount
Ri (Japanese Mile) to centimetres table
| Ri (Japanese Mile) | centimetres |
|---|---|
| 0.25 Ri (Japanese Mile) | 98,175 centimetres |
| 0.5 Ri (Japanese Mile) | 196,350 centimetres |
| 1 Ri (Japanese Mile) | 392,700 centimetres |
| 2 Ri (Japanese Mile) | 785,400 centimetres |
| 3 Ri (Japanese Mile) | 1,178,100 centimetres |
| 4 Ri (Japanese Mile) | 1,570,800 centimetres |
| 5 Ri (Japanese Mile) | 1,963,500 centimetres |
| 10 Ri (Japanese Mile) | 3,927,000 centimetres |
| 20 Ri (Japanese Mile) | 7,854,000 centimetres |
| 25 Ri (Japanese Mile) | 9,817,500 centimetres |
| 50 Ri (Japanese Mile) | 19,635,000 centimetres |
| 100 Ri (Japanese Mile) | 39,270,000 centimetres |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
- Chi (Chinese Foot) to centimetresVaries by locality
- Cun (Chinese Inch) to centimetresConventional value
- Zhang to centimetresConventional value
- Li (Chinese Mile) to centimetresConventional value
- Shaku (Japanese) to centimetresConventional value
- Sun (Japanese) to centimetresConventional value
- Ken (Japanese) to centimetresConventional value
Related conversions
Frequently asked
How many centimetres are in a Ri (Japanese Mile)?
1 Ri (Japanese Mile) = 392,700 centimetres. Multiply the number of Ri (Japanese Mile) by 392,700 to get centimetres.
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 centimetres. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/ri-japan-to-centimeter
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