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A rai (Thai: ไร่) is a unit of area, equal to 1 square sen (เส้น) or 1,600 square meters (40m × 40m), and is used in measuring land area for a cadastre or cadastral map. Its cur ..more definition+
The decare (symbol daa) is derived from deka, the prefix for 10 and are, and is equal to 10 ares or 1000 square metres. It is used in Norway and in the former Ottoman areas o ..more definition+
In relation to the base unit of [area] => (square meters), 1 Rais (ไร่) is equal to 1600 square-meters, while 1 Decares (daa) = 1000 square-meters.| 1 Rais | to common area units |
|---|---|
| 1 ไร่ | = 1600 square meters (m2, sq m) |
| 1 ไร่ | = 16000000 square centimeters (cm2, sq cm) |
| 1 ไร่ | = 0.0016 square kilometers (km2, sq km) |
| 1 ไร่ | = 17222.264081892 square feet (ft2, sq ft) |
| 1 ไร่ | = 2480004.9600099 square inches (in2, sq in) |
| 1 ไร่ | = 1913.5840740817 square yards (yd2, sq yd) |
| 1 ไร่ | = 0.00061776345374806 square miles (mi2, sq mi) |
| 1 ไร่ | = 2480004960009.9 square mils (sq mil) |
| 1 ไร่ | = 0.16 hectares (ha) |
| 1 ไร่ | = 0.39536826082444 acres (ac) |
| Rais | to Decares (table conversion) |
|---|---|
| 1 ไร่ | = 1.6 daa |
| 2 ไร่ | = 3.2 daa |
| 3 ไร่ | = 4.8 daa |
| 4 ไร่ | = 6.4 daa |
| 5 ไร่ | = 8 daa |
| 6 ไร่ | = 9.6 daa |
| 7 ไร่ | = 11.2 daa |
| 8 ไร่ | = 12.8 daa |
| 9 ไร่ | = 14.4 daa |
| 10 ไร่ | = 16 daa |
| 20 ไร่ | = 32 daa |
| 30 ไร่ | = 48 daa |
| 40 ไร่ | = 64 daa |
| 50 ไร่ | = 80 daa |
| 60 ไร่ | = 96 daa |
| 70 ไร่ | = 112 daa |
| 80 ไร่ | = 128 daa |
| 90 ไร่ | = 144 daa |
| 100 ไร่ | = 160 daa |
| 200 ไร่ | = 320 daa |
| 300 ไร่ | = 480 daa |
| 400 ไร่ | = 640 daa |
| 500 ไร่ | = 800 daa |
| 600 ไร่ | = 960 daa |
| 700 ไร่ | = 1120 daa |
| 800 ไร่ | = 1280 daa |
| 900 ไร่ | = 1440 daa |
| 1000 ไร่ | = 1600 daa |
| 2000 ไร่ | = 3200 daa |
| 4000 ไร่ | = 6400 daa |
| 5000 ไร่ | = 8000 daa |
| 7500 ไร่ | = 12000 daa |
| 10000 ไร่ | = 16000 daa |
| 25000 ไร่ | = 40000 daa |
| 50000 ไร่ | = 80000 daa |
| 100000 ไร่ | = 160000 daa |
| 1000000 ไร่ | = 1600000 daa |
| 1000000000 ไร่ | = 1600000000 daa |