Convert Tatami to Rai - Free Calculator
Fast, accurate area conversion calculator. Convert tatami to rai instantly with precise results.
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How to Convert Tatami to Rai
Use this free online calculator to convert Tatami to Rai instantly. This area conversion tool provides accurate results for all your measurement needs.
Quick Reference
Tatami to Rai Conversion Formula
To convert Tatami to Rai, multiply by 0.00103306.
To convert Rai back to Tatami, divide by 0.00103306 (or multiply by 967.996).
About These Units
About Tatami
The tatami is a Japanese unit of area equal to the area of a traditional tatami mat, 0.5 ken by 1 ken or about 90 centimeters by 180 centimeters (roughly 1.62 square meters or 17.5 square feet). This unit, used especially for measuring the area of rooms in houses and apartments, is also called the jo.
About Rai
The rai is a traditional unit of land area in Thailand. The rai is now considered to equal exactly 1600 square meters, which is 0.16 hectare or approximately 0.3954 acre. The rai is divided into 4 ngan. The unit is called the hai in northern Thailand and the lai in Laos. The word means "field," that is, an upland field rather than a rice paddy.
Tatami to Rai Conversion Table
| Tatami | Rai | Rai | Tatami |
|---|---|---|---|
| 0.1 | 0.000103306 | 0.1 | 96.7996 |
| 0.5 | 0.000516531 | 0.5 | 483.998 |
| 1 | 0.00103306 | 1 | 967.996 |
| 2 | 0.00206613 | 2 | 1,935.99 |
| 5 | 0.00516531 | 5 | 4,839.98 |
| 10 | 0.0103306 | 10 | 9,679.96 |
| 20 | 0.0206612 | 20 | 19,359.9 |
| 25 | 0.0258266 | 25 | 24,199.9 |
| 50 | 0.0516531 | 50 | 48,399.8 |
| 100 | 0.103306 | 100 | 96,799.6 |
| 250 | 0.258266 | 250 | 241,999 |
| 500 | 0.516531 | 500 | 483,998 |
| 1000 | 1.03306 | 1000 | 967,996 |
Why Use Our Tatami to Rai Converter?
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