Convert Jō (畳/Tatami) to hectares
East Asia · East Asian Land · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Jō (畳/Tatami) = 0.0001653 hectares
hectares = Jō (畳/Tatami) × 0.0001653
Convert any amount
Jō (畳/Tatami) to hectares table
| Jō (畳/Tatami) | hectares |
|---|---|
| 0.25 Jō (畳/Tatami) | 0.000041325 hectares |
| 0.5 Jō (畳/Tatami) | 0.00008265 hectares |
| 1 Jō (畳/Tatami) | 0.0001653 hectares |
| 2 Jō (畳/Tatami) | 0.0003306 hectares |
| 3 Jō (畳/Tatami) | 0.0004959 hectares |
| 4 Jō (畳/Tatami) | 0.0006612 hectares |
| 5 Jō (畳/Tatami) | 0.0008265 hectares |
| 10 Jō (畳/Tatami) | 0.001653 hectares |
| 20 Jō (畳/Tatami) | 0.003306 hectares |
| 25 Jō (畳/Tatami) | 0.0041325 hectares |
| 50 Jō (畳/Tatami) | 0.008265 hectares |
| 100 Jō (畳/Tatami) | 0.01653 hectares |
About the Jō (畳/Tatami)
Japanese room measure = 1 Tatami mat ≈ 1.65 m².
- Symbol
- 畳
- Value in SI
- 1 Jō (畳/Tatami) = 1.653 square metre
- Typical use
- surveying
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI square metre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other east asian land 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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 hectares are in a Jō (畳/Tatami)?
1 Jō (畳/Tatami) = 0.0001653 hectares. Multiply the number of Jō (畳/Tatami) by 0.0001653 to get hectares.
What is Jō (畳/Tatami) used for?
Japanese room measure = 1 Tatami mat ≈ 1.65 m². It is classified as active and dates from the modern period.
Is the Jō (畳/Tatami) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI square metre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Jō (畳/Tatami) conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Jō (畳/Tatami) to hectares. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/jo-to-hectare
Report an incorrect value or source
Regional units vary by district and by century. If this figure, its variant list or its citation is wrong where you are, tell us — the report carries the page context automatically.