tatami mat to tsubo
Live tatami mat (畳) to tsubo (坪) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from tatami mat to tsubo. Use the converter above for arbitrary values.
| tatami mat (畳) | → | tsubo (坪) |
|---|---|---|
| 0.001 畳 | → | 0.000501 坪 |
| 0.01 畳 | → | 0.00501 坪 |
| 0.1 畳 | → | 0.0501 坪 |
| 0.5 畳 | → | 0.2505 坪 |
| 1 畳 | → | 0.501 坪 |
| 2 畳 | → | 1.002001 坪 |
| 5 畳 | → | 2.505002 坪 |
| 10 畳 | → | 5.010005 坪 |
| 100 畳 | → | 50.10005 坪 |
| 1,000 畳 | → | 501.0005 坪 |
About the tatami mat
One tatami mat. Edo-period (江戸間) standard 1.6562 m², used here.
Note: Tatami size varies by region: 江戸間 1.6562 m², 中京間 1.7412 m², 京間 1.8181 m². This site converts using the 江戸間 standard.
About the tsubo
400/121 m² ≈ 3.305785 m². Japanese (and Korean pyeong) land/real-estate area unit.
Note: 1 tsubo = 400/121 m² = 3.305785 m², a 6-shaku × 6-shaku square. Roughly 2 Edo-period tatami mats.
How tatami mat to tsubo conversion works
Both units belong to Area. Unitbox first expresses the input in the category reference unit (m²), then expresses that same quantity in tsubo.
The right unit depends on the convention used by your industry, country, instrument, or source document.
Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.
Frequently asked questions
Frequently Asked Questions
How do I convert tatami mat to tsubo?
Multiply the tatami mat value by 0.501 to get it in tsubo. For example, 10 畳 = 5.01 坪.
What is 1 畳 in 坪?
1 畳 = 0.501 坪.
What is 100 畳 in 坪?
100 畳 = 50.1 坪.
What is the formula?
Linear: multiply by 0.501 (the unit factor ratio).
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