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Tsubo / Tatami Area Reference Table
A quick reference table for tatami mats, square meters (m²), and tsubo. Use it to scan common Japanese room and land sizes at a glance.
* Calculated using the real estate standard (1 Jyo = 1.62 m²).
| Jyo (Mats) | Square meters (m²) | Tsubo |
|---|---|---|
| 1 | 1.62 | 0.49 |
| 2 | 3.24 | 0.98 |
| 3 | 4.86 | 1.47 |
| 4 | 6.48 | 1.96 |
| 4.5 | 7.29 | 2.21 |
| 5 | 8.1 | 2.45 |
| 6 | 9.72 | 2.94 |
| 7 | 11.34 | 3.43 |
| 8 | 12.96 | 3.92 |
| 9 | 14.58 | 4.41 |
| 10 | 16.2 | 4.9 |
| 12 | 19.44 | 5.88 |
| 15 | 24.3 | 7.35 |
| 20 | 32.4 | 9.8 |
| 25 | 40.5 | 12.25 |
| 30 | 48.6 | 14.7 |
| 35 | 56.7 | 17.15 |
| 40 | 64.8 | 19.6 |
Tsubo and Tatami Area Reference Table
This is a quick reference table useful for apartment hunting or looking at floor plans in Japan. It helps you quickly grasp how many square meters (m²) are in a certain number of jyo (tatami mats) or tsubo. You can switch tabs to view the table based on round numbers of Jyo, m², or Tsubo.
Use this page when you want to scan common values in a table. If you need to enter a specific number, use the Tsubo to Square Meter / Tatami Area Converter instead.
Calculation Standards and Notes
The calculations in this table are based on the official Japanese real estate standard of 1 Jyo = 1.62 m². Please note that actual room sizes may vary slightly depending on regional tatami sizes (such as Chukyo-ma, Edo-ma, or Kyo-ma).
If you need to calculate specific values or use different tatami standards, please use the related "Area Converter" tool.
Frequently asked questions
What tatami size is used for this table?
The table uses the Japanese real estate standard of "1 jyo = 1.62 m²" for calculations.
What if I want to check a specific number not in the table?
Use the related Area Converter when you want to enter any value and convert tsubo to sqm, sqm to tsubo, or tatami to m2 instantly.
Can this differ from a property listing?
Yes. Listings may use different measurement methods or tatami size standards. Check the property document or real estate agent for official figures.
Is input saved on this page?
This page is a reference table. If you use filters or related area tools, calculations run locally in your browser.