Convert square feet to Jō (畳/Tatami)
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 square foot = 0.0562027 Jō (畳/Tatami)
Jō (畳/Tatami) = square feet × 0.056202686
Convert any amount
square feet to Jō (畳/Tatami) table
| square feet | Jō (畳/Tatami) |
|---|---|
| 0.25 square feet | 0.0140507 Jō (畳/Tatami) |
| 0.5 square feet | 0.0281013 Jō (畳/Tatami) |
| 1 square foot | 0.0562027 Jō (畳/Tatami) |
| 2 square feet | 0.112405 Jō (畳/Tatami) |
| 3 square feet | 0.168608 Jō (畳/Tatami) |
| 4 square feet | 0.224811 Jō (畳/Tatami) |
| 5 square feet | 0.281013 Jō (畳/Tatami) |
| 10 square feet | 0.562027 Jō (畳/Tatami) |
| 20 square feet | 1.12405 Jō (畳/Tatami) |
| 25 square feet | 1.40507 Jō (畳/Tatami) |
| 50 square feet | 2.81013 Jō (畳/Tatami) |
| 100 square feet | 5.62027 Jō (畳/Tatami) |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 Jō (畳/Tatami) are in a square foot?
1 square foot = 0.0562027 Jō (畳/Tatami). Multiply the number of square feet by 0.056202686 to get Jō (畳/Tatami).
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 square feet to Jō (畳/Tatami). UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/square-foot-to-jo
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