Convert Jō (畳/Tatami) to square yards
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) = 1.97697 square yards
square yards = Jō (畳/Tatami) × 1.9769715
Convert any amount
Jō (畳/Tatami) to square yards table
| Jō (畳/Tatami) | square yards |
|---|---|
| 0.25 Jō (畳/Tatami) | 0.494243 square yards |
| 0.5 Jō (畳/Tatami) | 0.988486 square yards |
| 1 Jō (畳/Tatami) | 1.97697 square yards |
| 2 Jō (畳/Tatami) | 3.95394 square yards |
| 3 Jō (畳/Tatami) | 5.93091 square yards |
| 4 Jō (畳/Tatami) | 7.90789 square yards |
| 5 Jō (畳/Tatami) | 9.88486 square yards |
| 10 Jō (畳/Tatami) | 19.7697 square yards |
| 20 Jō (畳/Tatami) | 39.5394 square yards |
| 25 Jō (畳/Tatami) | 49.4243 square yards |
| 50 Jō (畳/Tatami) | 98.8486 square yards |
| 100 Jō (畳/Tatami) | 197.697 square yards |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 square yards are in a Jō (畳/Tatami)?
1 Jō (畳/Tatami) = 1.97697 square yards. Multiply the number of Jō (畳/Tatami) by 1.9769715 to get square yards.
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 square yards. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/jo-to-square-yard
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