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 foot | 43,559.9999742 sq ft | 87,119.9999483 sq ft | 130,679.9999225 sq ft | 174,239.9998967 sq ft | 217,799.9998708 sq ft | 261,359.999845 sq ft | 304,919.9998192 sq ft | 348,479.9997933 sq ft | 392,039.9997675 sq ft | 435,599.9997417 sq ft | 479,159.9997158 sq ft | 522,719.99969 sq ft | 566,279.9996642 sq ft | 609,839.9996383 sq ft | 653,399.9996125 sq ft | 696,959.9995867 sq ft | 740,519.9995608 sq ft | 784,079.999535 sq ft | 827,639.9995092 sq ft | 871,199.9994833 sq ft | 914,759.9994575 sq ft | 958,319.9994317 sq ft | 1,001,879.9994058 sq ft | 1,045,439.99938 sq ft | 1,088,999.9993542 sq ft | 1,132,559.9993283 sq ft | 1,176,119.9993025 sq ft | 1,219,679.9992767 sq ft | 1,263,239.9992508 sq ft | 1,306,799.999225 sq ft | 1,350,359.9991992 sq ft | 1,393,919.9991733 sq ft | 1,437,479.9991475 sq ft | 1,481,039.9991217 sq ft | 1,524,599.9990958 sq ft | 1,568,159.99907 sq ft | 1,611,719.9990442 sq ft | 1,655,279.9990183 sq ft | 1,698,839.9989925 sq ft | 1,742,399.9989667 sq ft | 1,785,959.9989408 sq ft | 1,829,519.998915 sq ft | 1,873,079.9988892 sq ft | 1,916,639.9988633 sq ft | 1,960,199.9988375 sq ft | 2,003,759.9988117 sq ft | 2,047,319.9987858 sq ft | 2,090,879.99876 sq ft | 2,134,439.9987342 sq ft | 2,177,999.9987083 sq ft | 2,221,559.9986825 sq ft | 2,265,119.9986567 sq ft | 2,308,679.9986308 sq ft | 2,352,239.998605 sq ft | 2,395,799.9985792 sq ft | 2,439,359.9985533 sq ft | 2,482,919.9985275 sq ft | 2,526,479.9985017 sq ft | 2,570,039.9984758 sq ft | 2,613,599.99845 sq ft | 2,657,159.9984242 sq ft | 2,700,719.9983983 sq ft | 2,744,279.9983725 sq ft | 2,787,839.9983467 sq ft | 2,831,399.9983208 sq ft | 2,874,959.998295 sq ft | 2,918,519.9982692 sq ft | 2,962,079.9982433 sq ft | 3,005,639.9982175 sq ft | 3,049,199.9981917 sq ft | 3,092,759.9981658 sq ft | 3,136,319.99814 sq ft | 3,179,879.9981142 sq ft | 3,223,439.9980883 sq ft | 3,266,999.9980625 sq ft | 3,310,559.9980367 sq ft | 3,354,119.9980108 sq ft | 3,397,679.997985 sq ft | 3,441,239.9979592 sq ft | 3,484,799.9979333 sq ft | 3,528,359.9979075 sq ft | 3,571,919.9978817 sq ft | 3,615,479.9978558 sq ft | 3,659,039.99783 sq ft | 3,702,599.9978042 sq ft | 3,746,159.9977783 sq ft | 3,789,719.9977525 sq ft | 3,833,279.9977267 sq ft | 3,876,839.9977008 sq ft | 3,920,399.997675 sq ft | 3,963,959.9976492 sq ft | 4,007,519.9976233 sq ft | 4,051,079.9975975 sq ft | 4,094,639.9975717 sq ft | 4,138,199.9975458 sq ft | 4,181,759.99752 sq ft | 4,225,319.9974942 sq ft | 4,268,879.9974683 sq ft | 4,312,439.9974425 sq ft | 4,355,999.9974167 sq ft |
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 feet | acres | square feet |
---|---|---|---|
1 | ≡ 43559.999974167 | 6 | ≡ 261359.999845 |
2 | ≡ 87119.999948333 | 7 | ≡ 304919.99981917 |
3 | ≡ 130679.9999225 | 8 | ≡ 348479.99979333 |
4 | ≡ 174239.99989667 | 9 | ≡ 392039.9997675 |
5 | ≡ 217799.99987083 | 10 | ≡ 435599.99974167 |
The square foot (plural square feet; abbreviated sq ft, sf, ft2) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, used mainly in the United States and partially in Bangladesh, Canada, Ghana, Hong Kong, India, Malaysia, Nepal, Pakistan, Singapore and the United Kingdom. It is defined as the area of a square with sides of 1 foot.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square foot | sq ft | ≡ 1 ft × 1 ft | ≡ 9.290304×10−2 m2 | Imperial/US |
square feet | acres | square feet | acres |
---|---|---|---|
1 | ≡ 2.2956841152274E-5 | 6 | ≡ 0.00013774104691364 |
2 | ≡ 4.5913682304548E-5 | 7 | ≡ 0.00016069788806592 |
3 | ≡ 6.8870523456822E-5 | 8 | ≡ 0.00018365472921819 |
4 | ≡ 9.1827364609096E-5 | 9 | ≡ 0.00020661157037047 |
5 | ≡ 0.00011478420576137 | 10 | ≡ 0.00022956841152274 |
acres | square feet |
---|---|
1 | ≡ 43,559.9999742 |
2.2956841152274 × 10-5 | ≡ 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 …) |