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The acre is a unit of land area used in the imperial and US customary systems. It is defined as the area of 1 chain by 1 furlong (66 by 660 feet), which is exactly equal to 1/ ..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 Acres (ac) is equal to 4046.86 square-meters, while 1 Decares (daa) = 1000 square-meters.| 1 Acres | to common area units |
|---|---|
| 1 ac | = 4046.86 square meters (m2, sq m) |
| 1 ac | = 40468600 square centimeters (cm2, sq cm) |
| 1 ac | = 0.00404686 square kilometers (km2, sq km) |
| 1 ac | = 43560.057264028 square feet (ft2, sq ft) |
| 1 ac | = 6272645.5452911 square inches (in2, sq in) |
| 1 ac | = 4840.004278774 square yards (yd2, sq yd) |
| 1 ac | = 0.0015625013815218 square miles (mi2, sq mi) |
| 1 ac | = 6272645545291.1 square mils (sq mil) |
| 1 ac | = 0.404686 hectares (ha) |
| 1 ac | = 1 acres (ac) |
| Acres | to Decares (table conversion) |
|---|---|
| 1 ac | = 4.04686 daa |
| 2 ac | = 8.09372 daa |
| 3 ac | = 12.14058 daa |
| 4 ac | = 16.18744 daa |
| 5 ac | = 20.2343 daa |
| 6 ac | = 24.28116 daa |
| 7 ac | = 28.32802 daa |
| 8 ac | = 32.37488 daa |
| 9 ac | = 36.42174 daa |
| 10 ac | = 40.4686 daa |
| 20 ac | = 80.9372 daa |
| 30 ac | = 121.4058 daa |
| 40 ac | = 161.8744 daa |
| 50 ac | = 202.343 daa |
| 60 ac | = 242.8116 daa |
| 70 ac | = 283.2802 daa |
| 80 ac | = 323.7488 daa |
| 90 ac | = 364.2174 daa |
| 100 ac | = 404.686 daa |
| 200 ac | = 809.372 daa |
| 300 ac | = 1214.058 daa |
| 400 ac | = 1618.744 daa |
| 500 ac | = 2023.43 daa |
| 600 ac | = 2428.116 daa |
| 700 ac | = 2832.802 daa |
| 800 ac | = 3237.488 daa |
| 900 ac | = 3642.174 daa |
| 1000 ac | = 4046.86 daa |
| 2000 ac | = 8093.72 daa |
| 4000 ac | = 16187.44 daa |
| 5000 ac | = 20234.3 daa |
| 7500 ac | = 30351.45 daa |
| 10000 ac | = 40468.6 daa |
| 25000 ac | = 101171.5 daa |
| 50000 ac | = 202343 daa |
| 100000 ac | = 404686 daa |
| 1000000 ac | = 4046860 daa |
| 1000000000 ac | = 4046860000 daa |