square decameter | 1 dam2 | 2 dam2 | 3 dam2 | 4 dam2 | 5 dam2 | 6 dam2 | 7 dam2 | 8 dam2 | 9 dam2 | 10 dam2 | 11 dam2 | 12 dam2 | 13 dam2 | 14 dam2 | 15 dam2 | 16 dam2 | 17 dam2 | 18 dam2 | 19 dam2 | 20 dam2 | 21 dam2 | 22 dam2 | 23 dam2 | 24 dam2 | 25 dam2 | 26 dam2 | 27 dam2 | 28 dam2 | 29 dam2 | 30 dam2 | 31 dam2 | 32 dam2 | 33 dam2 | 34 dam2 | 35 dam2 | 36 dam2 | 37 dam2 | 38 dam2 | 39 dam2 | 40 dam2 | 41 dam2 | 42 dam2 | 43 dam2 | 44 dam2 | 45 dam2 | 46 dam2 | 47 dam2 | 48 dam2 | 49 dam2 | 50 dam2 | 51 dam2 | 52 dam2 | 53 dam2 | 54 dam2 | 55 dam2 | 56 dam2 | 57 dam2 | 58 dam2 | 59 dam2 | 60 dam2 | 61 dam2 | 62 dam2 | 63 dam2 | 64 dam2 | 65 dam2 | 66 dam2 | 67 dam2 | 68 dam2 | 69 dam2 | 70 dam2 | 71 dam2 | 72 dam2 | 73 dam2 | 74 dam2 | 75 dam2 | 76 dam2 | 77 dam2 | 78 dam2 | 79 dam2 | 80 dam2 | 81 dam2 | 82 dam2 | 83 dam2 | 84 dam2 | 85 dam2 | 86 dam2 | 87 dam2 | 88 dam2 | 89 dam2 | 90 dam2 | 91 dam2 | 92 dam2 | 93 dam2 | 94 dam2 | 95 dam2 | 96 dam2 | 97 dam2 | 98 dam2 | 99 dam2 | 100 dam2 |
acre | 0.0247105 ac | 0.0494211 ac | 0.0741316 ac | 0.0988422 ac | 0.1235527 ac | 0.1482632 ac | 0.1729738 ac | 0.1976843 ac | 0.2223948 ac | 0.2471054 ac | 0.2718159 ac | 0.2965265 ac | 0.3212370 ac | 0.3459475 ac | 0.3706581 ac | 0.3953686 ac | 0.4200791 ac | 0.4447897 ac | 0.4695002 ac | 0.4942108 ac | 0.5189213 ac | 0.5436318 ac | 0.5683424 ac | 0.5930529 ac | 0.6177635 ac | 0.6424740 ac | 0.6671845 ac | 0.6918951 ac | 0.7166056 ac | 0.7413161 ac | 0.7660267 ac | 0.7907372 ac | 0.8154478 ac | 0.8401583 ac | 0.8648688 ac | 0.8895794 ac | 0.9142899 ac | 0.9390005 ac | 0.9637110 ac | 0.9884215 ac | 1.0131321 ac | 1.0378426 ac | 1.0625531 ac | 1.0872637 ac | 1.1119742 ac | 1.1366848 ac | 1.1613953 ac | 1.1861058 ac | 1.2108164 ac | 1.2355269 ac | 1.2602374 ac | 1.2849480 ac | 1.3096585 ac | 1.3343691 ac | 1.3590796 ac | 1.3837901 ac | 1.4085007 ac | 1.4332112 ac | 1.4579218 ac | 1.4826323 ac | 1.5073428 ac | 1.5320534 ac | 1.5567639 ac | 1.5814744 ac | 1.6061850 ac | 1.6308955 ac | 1.6556061 ac | 1.6803166 ac | 1.7050271 ac | 1.7297377 ac | 1.7544482 ac | 1.7791587 ac | 1.8038693 ac | 1.8285798 ac | 1.8532904 ac | 1.8780009 ac | 1.9027114 ac | 1.9274220 ac | 1.9521325 ac | 1.9768431 ac | 2.0015536 ac | 2.0262641 ac | 2.0509747 ac | 2.0756852 ac | 2.1003957 ac | 2.1251063 ac | 2.1498168 ac | 2.1745274 ac | 2.1992379 ac | 2.2239484 ac | 2.2486590 ac | 2.2733695 ac | 2.2980800 ac | 2.3227906 ac | 2.3475011 ac | 2.3722117 ac | 2.3969222 ac | 2.4216327 ac | 2.4463433 ac | 2.4710538 ac |
Square decametre (International spelling as used by the International Bureau of Weights and Measures) or square decameter (American spelling) or are, symbol dam2, is the unit of area or surface area.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square decameter | dam2 | ≡ 1 dam × 1 dam ≡ 10 m × 10 m | = 102 m2 | Metric system SI |
square decameters | acres | square decameters | acres |
---|---|---|---|
1 | = 0.024710538161371 | 6 | = 0.14826322896823 |
2 | = 0.049421076322742 | 7 | = 0.1729737671296 |
3 | = 0.074131614484114 | 8 | = 0.19768430529097 |
4 | = 0.098842152645485 | 9 | = 0.22239484345234 |
5 | = 0.12355269080686 | 10 | = 0.24710538161371 |
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 decameters | acres | square decameters |
---|---|---|---|
1 | = 40.4685642 | 6 | = 242.8113852 |
2 | = 80.9371284 | 7 | = 283.2799494 |
3 | = 121.4056926 | 8 | = 323.7485136 |
4 | = 161.8742568 | 9 | = 364.2170778 |
5 | = 202.342821 | 10 | = 404.685642 |
square decameters | acres |
---|---|
1 | = 0.0247105 |
40.4685642 | = 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 …) |