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 chain (international) | 10.0000000 sq ch | 20.0000000 sq ch | 30.0000000 sq ch | 40.0000000 sq ch | 50.0000000 sq ch | 60.0000000 sq ch | 70.0000000 sq ch | 80.0000000 sq ch | 89.9999999 sq ch | 99.9999999 sq ch | 109.9999999 sq ch | 119.9999999 sq ch | 129.9999999 sq ch | 139.9999999 sq ch | 149.9999999 sq ch | 159.9999999 sq ch | 169.9999999 sq ch | 179.9999999 sq ch | 189.9999999 sq ch | 199.9999999 sq ch | 209.9999999 sq ch | 219.9999999 sq ch | 229.9999999 sq ch | 239.9999999 sq ch | 249.9999999 sq ch | 259.9999998 sq ch | 269.9999998 sq ch | 279.9999998 sq ch | 289.9999998 sq ch | 299.9999998 sq ch | 309.9999998 sq ch | 319.9999998 sq ch | 329.9999998 sq ch | 339.9999998 sq ch | 349.9999998 sq ch | 359.9999998 sq ch | 369.9999998 sq ch | 379.9999998 sq ch | 389.9999998 sq ch | 399.9999998 sq ch | 409.9999998 sq ch | 419.9999998 sq ch | 429.9999997 sq ch | 439.9999997 sq ch | 449.9999997 sq ch | 459.9999997 sq ch | 469.9999997 sq ch | 479.9999997 sq ch | 489.9999997 sq ch | 499.9999997 sq ch | 509.9999997 sq ch | 519.9999997 sq ch | 529.9999997 sq ch | 539.9999997 sq ch | 549.9999997 sq ch | 559.9999997 sq ch | 569.9999997 sq ch | 579.9999997 sq ch | 589.9999997 sq ch | 599.9999996 sq ch | 609.9999996 sq ch | 619.9999996 sq ch | 629.9999996 sq ch | 639.9999996 sq ch | 649.9999996 sq ch | 659.9999996 sq ch | 669.9999996 sq ch | 679.9999996 sq ch | 689.9999996 sq ch | 699.9999996 sq ch | 709.9999996 sq ch | 719.9999996 sq ch | 729.9999996 sq ch | 739.9999996 sq ch | 749.9999996 sq ch | 759.9999995 sq ch | 769.9999995 sq ch | 779.9999995 sq ch | 789.9999995 sq ch | 799.9999995 sq ch | 809.9999995 sq ch | 819.9999995 sq ch | 829.9999995 sq ch | 839.9999995 sq ch | 849.9999995 sq ch | 859.9999995 sq ch | 869.9999995 sq ch | 879.9999995 sq ch | 889.9999995 sq ch | 899.9999995 sq ch | 909.9999995 sq ch | 919.9999995 sq ch | 929.9999994 sq ch | 939.9999994 sq ch | 949.9999994 sq ch | 959.9999994 sq ch | 969.9999994 sq ch | 979.9999994 sq ch | 989.9999994 sq ch | 999.9999994 sq ch |
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 chains (international) | acres | square chains (international) |
---|---|---|---|
1 | ≡ 9.9999999940695 | 6 | ≡ 59.999999964417 |
2 | ≡ 19.999999988139 | 7 | ≡ 69.999999958486 |
3 | ≡ 29.999999982208 | 8 | ≡ 79.999999952556 |
4 | ≡ 39.999999976278 | 9 | ≡ 89.999999946625 |
5 | ≡ 49.999999970347 | 10 | ≡ 99.999999940695 |
square chain is a unit of area.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square chain (international) | sq ch | ≡ 66 ft × 66 ft = 1⁄10 ac | ≡ 404.68564224 m2 | Imperial/US |
square chains (international) | acres | square chains (international) | acres |
---|---|---|---|
1 | ≡ 0.10000000005931 | 6 | ≡ 0.60000000035583 |
2 | ≡ 0.20000000011861 | 7 | ≡ 0.70000000041514 |
3 | ≡ 0.30000000017792 | 8 | ≡ 0.80000000047444 |
4 | ≡ 0.40000000023722 | 9 | ≡ 0.90000000053375 |
5 | ≡ 0.50000000029653 | 10 | ≡ 1.0000000005931 |
acres | square chains (international) |
---|---|
1 | ≡ 10.0000000 |
0.1000000 | ≡ 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 …) |