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 inch | 6,272,639.99628 sq in | 12,545,279.99256 sq in | 18,817,919.98884 sq in | 25,090,559.98512 sq in | 31,363,199.9814 sq in | 37,635,839.97768 sq in | 43,908,479.97396 sq in | 50,181,119.97024 sq in | 56,453,759.96652 sq in | 62,726,399.9628 sq in | 68,999,039.95908 sq in | 75,271,679.95536 sq in | 81,544,319.95164 sq in | 87,816,959.94792 sq in | 94,089,599.9442 sq in | 100,362,239.94048 sq in | 106,634,879.93676 sq in | 112,907,519.93304 sq in | 119,180,159.92932 sq in | 125,452,799.9256 sq in | 131,725,439.92188 sq in | 137,998,079.91816 sq in | 144,270,719.91444 sq in | 150,543,359.91072 sq in | 156,815,999.907 sq in | 163,088,639.90328 sq in | 169,361,279.89956 sq in | 175,633,919.89584 sq in | 181,906,559.89212 sq in | 188,179,199.8884 sq in | 194,451,839.88468 sq in | 200,724,479.88096 sq in | 206,997,119.87724 sq in | 213,269,759.87352 sq in | 219,542,399.8698 sq in | 225,815,039.86608 sq in | 232,087,679.86236 sq in | 238,360,319.85864 sq in | 244,632,959.85492 sq in | 250,905,599.8512 sq in | 257,178,239.84748 sq in | 263,450,879.84376 sq in | 269,723,519.84004 sq in | 275,996,159.83632 sq in | 282,268,799.8326 sq in | 288,541,439.82888 sq in | 294,814,079.82516 sq in | 301,086,719.82144 sq in | 307,359,359.81772 sq in | 313,631,999.814 sq in | 319,904,639.81028 sq in | 326,177,279.80656 sq in | 332,449,919.80284 sq in | 338,722,559.79912 sq in | 344,995,199.7954 sq in | 351,267,839.79168 sq in | 357,540,479.78796 sq in | 363,813,119.78424 sq in | 370,085,759.78052 sq in | 376,358,399.7768 sq in | 382,631,039.77308 sq in | 388,903,679.76936 sq in | 395,176,319.76564 sq in | 401,448,959.76192 sq in | 407,721,599.7582 sq in | 413,994,239.75448 sq in | 420,266,879.75076 sq in | 426,539,519.74704 sq in | 432,812,159.74332 sq in | 439,084,799.7396 sq in | 445,357,439.73588 sq in | 451,630,079.73216 sq in | 457,902,719.72844 sq in | 464,175,359.72472 sq in | 470,447,999.721 sq in | 476,720,639.71728 sq in | 482,993,279.71356 sq in | 489,265,919.70984 sq in | 495,538,559.70612 sq in | 501,811,199.7024 sq in | 508,083,839.69868 sq in | 514,356,479.69496 sq in | 520,629,119.69124 sq in | 526,901,759.68752 sq in | 533,174,399.6838 sq in | 539,447,039.68008 sq in | 545,719,679.67636 sq in | 551,992,319.67264 sq in | 558,264,959.66892 sq in | 564,537,599.6652 sq in | 570,810,239.66148 sq in | 577,082,879.65776 sq in | 583,355,519.65404 sq in | 589,628,159.65032 sq in | 595,900,799.6466 sq in | 602,173,439.64288 sq in | 608,446,079.63916 sq in | 614,718,719.63544 sq in | 620,991,359.63172 sq in | 627,263,999.628 sq in |
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 inches | acres | square inches |
---|---|---|---|
1 | ≡ 6272639.99628 | 6 | ≡ 37635839.97768 |
2 | ≡ 12545279.99256 | 7 | ≡ 43908479.97396 |
3 | ≡ 18817919.98884 | 8 | ≡ 50181119.97024 |
4 | ≡ 25090559.98512 | 9 | ≡ 56453759.96652 |
5 | ≡ 31363199.9814 | 10 | ≡ 62726399.9628 |
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square inch | sq in | ≡ 1 in × 1 in | ≡ 6.4516×10−4 m2 | Imperial/US |
square inches | acres | square inches | acres |
---|---|---|---|
1 | ≡ 1.594225080019E-7 | 6 | ≡ 9.5653504801141E-7 |
2 | ≡ 3.188450160038E-7 | 7 | ≡ 1.1159575560133E-6 |
3 | ≡ 4.7826752400571E-7 | 8 | ≡ 1.2753800640152E-6 |
4 | ≡ 6.3769003200761E-7 | 9 | ≡ 1.4348025720171E-6 |
5 | ≡ 7.9711254000951E-7 | 10 | ≡ 1.594225080019E-6 |
acres | square inches |
---|---|
1 | ≡ 6,272,639.99628 |
1.594225080019 × 10-7 | ≡ 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 …) |