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 |
square hectometer | 0.4046856 hm2 | 0.8093713 hm2 | 1.2140569 hm2 | 1.6187426 hm2 | 2.0234282 hm2 | 2.4281139 hm2 | 2.8327995 hm2 | 3.2374851 hm2 | 3.6421708 hm2 | 4.0468564 hm2 | 4.4515421 hm2 | 4.8562277 hm2 | 5.2609133 hm2 | 5.6655990 hm2 | 6.0702846 hm2 | 6.4749703 hm2 | 6.8796559 hm2 | 7.2843416 hm2 | 7.6890272 hm2 | 8.0937128 hm2 | 8.4983985 hm2 | 8.9030841 hm2 | 9.3077698 hm2 | 9.7124554 hm2 | 10.1171411 hm2 | 10.5218267 hm2 | 10.9265123 hm2 | 11.3311980 hm2 | 11.7358836 hm2 | 12.1405693 hm2 | 12.5452549 hm2 | 12.9499405 hm2 | 13.3546262 hm2 | 13.7593118 hm2 | 14.1639975 hm2 | 14.5686831 hm2 | 14.9733688 hm2 | 15.3780544 hm2 | 15.7827400 hm2 | 16.1874257 hm2 | 16.5921113 hm2 | 16.9967970 hm2 | 17.4014826 hm2 | 17.8061682 hm2 | 18.2108539 hm2 | 18.6155395 hm2 | 19.0202252 hm2 | 19.4249108 hm2 | 19.8295965 hm2 | 20.2342821 hm2 | 20.6389677 hm2 | 21.0436534 hm2 | 21.4483390 hm2 | 21.8530247 hm2 | 22.2577103 hm2 | 22.6623960 hm2 | 23.0670816 hm2 | 23.4717672 hm2 | 23.8764529 hm2 | 24.2811385 hm2 | 24.6858242 hm2 | 25.0905098 hm2 | 25.4951954 hm2 | 25.8998811 hm2 | 26.3045667 hm2 | 26.7092524 hm2 | 27.1139380 hm2 | 27.5186237 hm2 | 27.9233093 hm2 | 28.3279949 hm2 | 28.7326806 hm2 | 29.1373662 hm2 | 29.5420519 hm2 | 29.9467375 hm2 | 30.3514232 hm2 | 30.7561088 hm2 | 31.1607944 hm2 | 31.5654801 hm2 | 31.9701657 hm2 | 32.3748514 hm2 | 32.7795370 hm2 | 33.1842226 hm2 | 33.5889083 hm2 | 33.9935939 hm2 | 34.3982796 hm2 | 34.8029652 hm2 | 35.2076509 hm2 | 35.6123365 hm2 | 36.0170221 hm2 | 36.4217078 hm2 | 36.8263934 hm2 | 37.2310791 hm2 | 37.6357647 hm2 | 38.0404503 hm2 | 38.4451360 hm2 | 38.8498216 hm2 | 39.2545073 hm2 | 39.6591929 hm2 | 40.0638786 hm2 | 40.4685642 hm2 |
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 | square hectometers | acres | square hectometers |
---|---|---|---|
1 | = 0.404685642 | 6 | = 2.428113852 |
2 | = 0.809371284 | 7 | = 2.832799494 |
3 | = 1.214056926 | 8 | = 3.237485136 |
4 | = 1.618742568 | 9 | = 3.642170778 |
5 | = 2.02342821 | 10 | = 4.04685642 |
Square hectometre (International spelling as used by the International Bureau of Weights and Measures) or Square hectometer (American spelling) or hectare, symbol hm2, is the unit of area or surface area.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square hectometer | hm2 | ≡ 1 hm × 1 hm ≡ 102 m × 102 m | = 104 m2 | Metric system SI |
square hectometers | acres | square hectometers | acres |
---|---|---|---|
1 | = 2.4710538161371 | 6 | = 14.826322896823 |
2 | = 4.9421076322742 | 7 | = 17.29737671296 |
3 | = 7.4131614484114 | 8 | = 19.768430529097 |
4 | = 9.8842152645485 | 9 | = 22.239484345234 |
5 | = 12.355269080686 | 10 | = 24.710538161371 |
acres | square hectometers |
---|---|
1 | = 0.4046856 |
2.4710538 | = 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 …) |