acre | 1 ac | 2 ac | 3 ac | 4 ac | 5 ac | 6 ac | 7 ac | 8 ac | 9 ac | 10 ac | 11 ac | 12 ac | 13 ac | 14 ac | 15 ac | 16 ac | 17 ac | 18 ac | 19 ac | 20 ac | 21 ac | 22 ac | 23 ac | 24 ac | 25 ac | 26 ac | 27 ac | 28 ac | 29 ac | 30 ac | 31 ac | 32 ac | 33 ac | 34 ac | 35 ac | 36 ac | 37 ac | 38 ac | 39 ac | 40 ac | 41 ac | 42 ac | 43 ac | 44 ac | 45 ac | 46 ac | 47 ac | 48 ac | 49 ac | 50 ac | 51 ac | 52 ac | 53 ac | 54 ac | 55 ac | 56 ac | 57 ac | 58 ac | 59 ac | 60 ac | 61 ac | 62 ac | 63 ac | 64 ac | 65 ac | 66 ac | 67 ac | 68 ac | 69 ac | 70 ac | 71 ac | 72 ac | 73 ac | 74 ac | 75 ac | 76 ac | 77 ac | 78 ac | 79 ac | 80 ac | 81 ac | 82 ac | 83 ac | 84 ac | 85 ac | 86 ac | 87 ac | 88 ac | 89 ac | 90 ac | 91 ac | 92 ac | 93 ac | 94 ac | 95 ac | 96 ac | 97 ac | 98 ac | 99 ac | 100 ac |
deciare | 404.685642 da | 809.371284 da | 1,214.056926 da | 1,618.742568 da | 2,023.42821 da | 2,428.113852 da | 2,832.799494 da | 3,237.485136 da | 3,642.170778 da | 4,046.85642 da | 4,451.542062 da | 4,856.227704 da | 5,260.913346 da | 5,665.598988 da | 6,070.28463 da | 6,474.970272 da | 6,879.655914 da | 7,284.341556 da | 7,689.027198 da | 8,093.71284 da | 8,498.398482 da | 8,903.084124 da | 9,307.769766 da | 9,712.455408 da | 10,117.14105 da | 10,521.826692 da | 10,926.512334 da | 11,331.197976 da | 11,735.883618 da | 12,140.56926 da | 12,545.254902 da | 12,949.940544 da | 13,354.626186 da | 13,759.311828 da | 14,163.99747 da | 14,568.683112 da | 14,973.368754 da | 15,378.054396 da | 15,782.740038 da | 16,187.42568 da | 16,592.111322 da | 16,996.796964 da | 17,401.482606 da | 17,806.168248 da | 18,210.85389 da | 18,615.539532 da | 19,020.225174 da | 19,424.910816 da | 19,829.596458 da | 20,234.2821 da | 20,638.967742 da | 21,043.653384 da | 21,448.339026 da | 21,853.024668 da | 22,257.71031 da | 22,662.395952 da | 23,067.081594 da | 23,471.767236 da | 23,876.452878 da | 24,281.13852 da | 24,685.824162 da | 25,090.509804 da | 25,495.195446 da | 25,899.881088 da | 26,304.56673 da | 26,709.252372 da | 27,113.938014 da | 27,518.623656 da | 27,923.309298 da | 28,327.99494 da | 28,732.680582 da | 29,137.366224 da | 29,542.051866 da | 29,946.737508 da | 30,351.42315 da | 30,756.108792 da | 31,160.794434 da | 31,565.480076 da | 31,970.165718 da | 32,374.85136 da | 32,779.537002 da | 33,184.222644 da | 33,588.908286 da | 33,993.593928 da | 34,398.27957 da | 34,802.965212 da | 35,207.650854 da | 35,612.336496 da | 36,017.022138 da | 36,421.70778 da | 36,826.393422 da | 37,231.079064 da | 37,635.764706 da | 38,040.450348 da | 38,445.13599 da | 38,849.821632 da | 39,254.507274 da | 39,659.192916 da | 40,063.878558 da | 40,468.5642 da |
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 1⁄640 of a square mile, 43,560 square feet, approximately 4,047 m2, or about 40% of a hectare.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
acre | ac | ≡ 1 ch × 10 ch = 4840 sq yd | ≡ 4046.8564224 m2 | Imperial/US |
acres | deciares | acres | deciares |
---|---|---|---|
1 | ≡ 404.685642 | 6 | ≡ 2428.113852 |
2 | ≡ 809.371284 | 7 | ≡ 2832.799494 |
3 | ≡ 1214.056926 | 8 | ≡ 3237.485136 |
4 | ≡ 1618.742568 | 9 | ≡ 3642.170778 |
5 | ≡ 2023.42821 | 10 | ≡ 4046.85642 |
The deciare is ten square metres.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
deciare | da | ≡ 10 m2 | ≡ 10 m2 | Metric system SI |
deciares | acres | deciares | acres |
---|---|---|---|
1 | ≡ 0.0024710538161371 | 6 | ≡ 0.014826322896823 |
2 | ≡ 0.0049421076322742 | 7 | ≡ 0.01729737671296 |
3 | ≡ 0.0074131614484114 | 8 | ≡ 0.019768430529097 |
4 | ≡ 0.0098842152645485 | 9 | ≡ 0.022239484345234 |
5 | ≡ 0.012355269080686 | 10 | ≡ 0.024710538161371 |
acres | deciares |
---|---|
1 | ≡ 404.685642 |
0.0024711 | ≡ 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |