Convert metres to Ri (Japanese Mile)
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 metre = 0.000254647 Ri (Japanese Mile)
Ri (Japanese Mile) = metres × 0.0002546473
Convert any amount
metres to Ri (Japanese Mile) table
| metres | Ri (Japanese Mile) |
|---|---|
| 0.25 metres | 0.0000636618 Ri (Japanese Mile) |
| 0.5 metres | 0.000127324 Ri (Japanese Mile) |
| 1 metre | 0.000254647 Ri (Japanese Mile) |
| 2 metres | 0.000509295 Ri (Japanese Mile) |
| 3 metres | 0.000763942 Ri (Japanese Mile) |
| 4 metres | 0.00101859 Ri (Japanese Mile) |
| 5 metres | 0.00127324 Ri (Japanese Mile) |
| 10 metres | 0.00254647 Ri (Japanese Mile) |
| 20 metres | 0.00509295 Ri (Japanese Mile) |
| 25 metres | 0.00636618 Ri (Japanese Mile) |
| 50 metres | 0.0127324 Ri (Japanese Mile) |
| 100 metres | 0.0254647 Ri (Japanese Mile) |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 Ri (Japanese Mile) are in a metre?
1 metre = 0.000254647 Ri (Japanese Mile). Multiply the number of metres by 0.0002546473 to get Ri (Japanese Mile).
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 metres to Ri (Japanese Mile). UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/meter-to-ri-japan
Report an incorrect value or source
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