square inch to tatami mat
Live square inch (in²) to tatami mat (畳) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from square inch to tatami mat. Use the converter above for arbitrary values.
| square inch (in²) | → | tatami mat (畳) |
|---|---|---|
| 0.001 in² | → | 3.8954e-7 畳 |
| 0.01 in² | → | 3.8954e-6 畳 |
| 0.1 in² | → | 3.8954e-5 畳 |
| 0.5 in² | → | 0.000195 畳 |
| 1 in² | → | 0.00039 畳 |
| 2 in² | → | 0.000779 畳 |
| 5 in² | → | 0.001948 畳 |
| 10 in² | → | 0.003895 畳 |
| 100 in² | → | 0.038954 畳 |
| 1,000 in² | → | 0.389542 畳 |
About the square inch
US small surface area.
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.
How square inch to tatami mat conversion works
Both units belong to Area. Unitbox first expresses the input in the category reference unit (m²), then expresses that same quantity in tatami mat.
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 square inch to tatami mat?
Multiply the square inch value by 0.00039 to get it in tatami mat. For example, 10 in² = 0.0039 畳.
What is 1 in² in 畳?
1 in² = 0.00039 畳.
What is 100 in² in 畳?
100 in² = 0.039 畳.
What is the formula?
Linear: multiply by 0.00039 (the unit factor ratio).
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