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 |
are | 40.4685642 a | 80.9371284 a | 121.4056926 a | 161.8742568 a | 202.342821 a | 242.8113852 a | 283.2799494 a | 323.7485136 a | 364.2170778 a | 404.685642 a | 445.1542062 a | 485.6227704 a | 526.0913346 a | 566.5598988 a | 607.028463 a | 647.4970272 a | 687.9655914 a | 728.4341556 a | 768.9027198 a | 809.371284 a | 849.8398482 a | 890.3084124 a | 930.7769766 a | 971.2455408 a | 1,011.714105 a | 1,052.1826692 a | 1,092.6512334 a | 1,133.1197976 a | 1,173.5883618 a | 1,214.056926 a | 1,254.5254902 a | 1,294.9940544 a | 1,335.4626186 a | 1,375.9311828 a | 1,416.399747 a | 1,456.8683112 a | 1,497.3368754 a | 1,537.8054396 a | 1,578.2740038 a | 1,618.742568 a | 1,659.2111322 a | 1,699.6796964 a | 1,740.1482606 a | 1,780.6168248 a | 1,821.085389 a | 1,861.5539532 a | 1,902.0225174 a | 1,942.4910816 a | 1,982.9596458 a | 2,023.42821 a | 2,063.8967742 a | 2,104.3653384 a | 2,144.8339026 a | 2,185.3024668 a | 2,225.771031 a | 2,266.2395952 a | 2,306.7081594 a | 2,347.1767236 a | 2,387.6452878 a | 2,428.113852 a | 2,468.5824162 a | 2,509.0509804 a | 2,549.5195446 a | 2,589.9881088 a | 2,630.456673 a | 2,670.9252372 a | 2,711.3938014 a | 2,751.8623656 a | 2,792.3309298 a | 2,832.799494 a | 2,873.2680582 a | 2,913.7366224 a | 2,954.2051866 a | 2,994.6737508 a | 3,035.142315 a | 3,075.6108792 a | 3,116.0794434 a | 3,156.5480076 a | 3,197.0165718 a | 3,237.485136 a | 3,277.9537002 a | 3,318.4222644 a | 3,358.8908286 a | 3,399.3593928 a | 3,439.827957 a | 3,480.2965212 a | 3,520.7650854 a | 3,561.2336496 a | 3,601.7022138 a | 3,642.170778 a | 3,682.6393422 a | 3,723.1079064 a | 3,763.5764706 a | 3,804.0450348 a | 3,844.513599 a | 3,884.9821632 a | 3,925.4507274 a | 3,965.9192916 a | 4,006.3878558 a | 4,046.85642 a |
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 | ares | acres | ares |
---|---|---|---|
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 |
The are (/ˈɑːr/ or /ˈɛər/) is a unit of area, equal to 100 square metres (10 m × 10 m), used for measuring land area. It was defined by older forms of the metric system, but is now outside of the modern International System of Units (SI).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
are | a | ≡ 100 m2 | ≡ 100 m2 | Metric system SI |
ares | acres | ares | 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 |
acres | ares |
---|---|
1 | ≡ 40.4685642 |
0.0247105 | ≡ 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 …) |