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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 Tatamis JAPAN (tatami) is equal to 1.62 square-meters, while 1 Decares (daa) = 1000 square-meters.| 1 Tatamis JAPAN | to common area units |
|---|---|
| 1 tatami | = 1.62 square meters (m2, sq m) |
| 1 tatami | = 16200 square centimeters (cm2, sq cm) |
| 1 tatami | = 1.62E-6 square kilometers (km2, sq km) |
| 1 tatami | = 17.437542382916 square feet (ft2, sq ft) |
| 1 tatami | = 2511.00502201 square inches (in2, sq in) |
| 1 tatami | = 1.9375038750078 square yards (yd2, sq yd) |
| 1 tatami | = 6.2548549691991E-7 square miles (mi2, sq mi) |
| 1 tatami | = 2511005022.01 square mils (sq mil) |
| 1 tatami | = 0.000162 hectares (ha) |
| 1 tatami | = 0.00040031036408475 acres (ac) |
| Tatamis JAPAN | to Decares (table conversion) |
|---|---|
| 1 tatami | = 0.00162 daa |
| 2 tatami | = 0.00324 daa |
| 3 tatami | = 0.00486 daa |
| 4 tatami | = 0.00648 daa |
| 5 tatami | = 0.0081 daa |
| 6 tatami | = 0.00972 daa |
| 7 tatami | = 0.01134 daa |
| 8 tatami | = 0.01296 daa |
| 9 tatami | = 0.01458 daa |
| 10 tatami | = 0.0162 daa |
| 20 tatami | = 0.0324 daa |
| 30 tatami | = 0.0486 daa |
| 40 tatami | = 0.0648 daa |
| 50 tatami | = 0.081 daa |
| 60 tatami | = 0.0972 daa |
| 70 tatami | = 0.1134 daa |
| 80 tatami | = 0.1296 daa |
| 90 tatami | = 0.1458 daa |
| 100 tatami | = 0.162 daa |
| 200 tatami | = 0.324 daa |
| 300 tatami | = 0.486 daa |
| 400 tatami | = 0.648 daa |
| 500 tatami | = 0.81 daa |
| 600 tatami | = 0.972 daa |
| 700 tatami | = 1.134 daa |
| 800 tatami | = 1.296 daa |
| 900 tatami | = 1.458 daa |
| 1000 tatami | = 1.62 daa |
| 2000 tatami | = 3.24 daa |
| 4000 tatami | = 6.48 daa |
| 5000 tatami | = 8.1 daa |
| 7500 tatami | = 12.15 daa |
| 10000 tatami | = 16.2 daa |
| 25000 tatami | = 40.5 daa |
| 50000 tatami | = 81 daa |
| 100000 tatami | = 162 daa |
| 1000000 tatami | = 1620 daa |
| 1000000000 tatami | = 1620000 daa |