square kilometer | 1 km2 | 2 km2 | 3 km2 | 4 km2 | 5 km2 | 6 km2 | 7 km2 | 8 km2 | 9 km2 | 10 km2 | 11 km2 | 12 km2 | 13 km2 | 14 km2 | 15 km2 | 16 km2 | 17 km2 | 18 km2 | 19 km2 | 20 km2 | 21 km2 | 22 km2 | 23 km2 | 24 km2 | 25 km2 | 26 km2 | 27 km2 | 28 km2 | 29 km2 | 30 km2 | 31 km2 | 32 km2 | 33 km2 | 34 km2 | 35 km2 | 36 km2 | 37 km2 | 38 km2 | 39 km2 | 40 km2 | 41 km2 | 42 km2 | 43 km2 | 44 km2 | 45 km2 | 46 km2 | 47 km2 | 48 km2 | 49 km2 | 50 km2 | 51 km2 | 52 km2 | 53 km2 | 54 km2 | 55 km2 | 56 km2 | 57 km2 | 58 km2 | 59 km2 | 60 km2 | 61 km2 | 62 km2 | 63 km2 | 64 km2 | 65 km2 | 66 km2 | 67 km2 | 68 km2 | 69 km2 | 70 km2 | 71 km2 | 72 km2 | 73 km2 | 74 km2 | 75 km2 | 76 km2 | 77 km2 | 78 km2 | 79 km2 | 80 km2 | 81 km2 | 82 km2 | 83 km2 | 84 km2 | 85 km2 | 86 km2 | 87 km2 | 88 km2 | 89 km2 | 90 km2 | 91 km2 | 92 km2 | 93 km2 | 94 km2 | 95 km2 | 96 km2 | 97 km2 | 98 km2 | 99 km2 | 100 km2 |
acre | 247.1053816 ac | 494.2107632 ac | 741.3161448 ac | 988.4215265 ac | 1,235.5269081 ac | 1,482.6322897 ac | 1,729.7376713 ac | 1,976.8430529 ac | 2,223.9484345 ac | 2,471.0538161 ac | 2,718.1591978 ac | 2,965.2645794 ac | 3,212.3699610 ac | 3,459.4753426 ac | 3,706.5807242 ac | 3,953.6861058 ac | 4,200.7914874 ac | 4,447.8968690 ac | 4,695.0022507 ac | 4,942.1076323 ac | 5,189.2130139 ac | 5,436.3183955 ac | 5,683.4237771 ac | 5,930.5291587 ac | 6,177.6345403 ac | 6,424.7399220 ac | 6,671.8453036 ac | 6,918.9506852 ac | 7,166.0560668 ac | 7,413.1614484 ac | 7,660.2668300 ac | 7,907.3722116 ac | 8,154.4775933 ac | 8,401.5829749 ac | 8,648.6883565 ac | 8,895.7937381 ac | 9,142.8991197 ac | 9,390.0045013 ac | 9,637.1098829 ac | 9,884.2152645 ac | 10,131.3206462 ac | 10,378.4260278 ac | 10,625.5314094 ac | 10,872.6367910 ac | 11,119.7421726 ac | 11,366.8475542 ac | 11,613.9529358 ac | 11,861.0583175 ac | 12,108.1636991 ac | 12,355.2690807 ac | 12,602.3744623 ac | 12,849.4798439 ac | 13,096.5852255 ac | 13,343.6906071 ac | 13,590.7959888 ac | 13,837.9013704 ac | 14,085.0067520 ac | 14,332.1121336 ac | 14,579.2175152 ac | 14,826.3228968 ac | 15,073.4282784 ac | 15,320.5336601 ac | 15,567.6390417 ac | 15,814.7444233 ac | 16,061.8498049 ac | 16,308.9551865 ac | 16,556.0605681 ac | 16,803.1659497 ac | 17,050.2713313 ac | 17,297.3767130 ac | 17,544.4820946 ac | 17,791.5874762 ac | 18,038.6928578 ac | 18,285.7982394 ac | 18,532.9036210 ac | 18,780.0090026 ac | 19,027.1143843 ac | 19,274.2197659 ac | 19,521.3251475 ac | 19,768.4305291 ac | 20,015.5359107 ac | 20,262.6412923 ac | 20,509.7466739 ac | 20,756.8520556 ac | 21,003.9574372 ac | 21,251.0628188 ac | 21,498.1682004 ac | 21,745.2735820 ac | 21,992.3789636 ac | 22,239.4843452 ac | 22,486.5897268 ac | 22,733.6951085 ac | 22,980.8004901 ac | 23,227.9058717 ac | 23,475.0112533 ac | 23,722.1166349 ac | 23,969.2220165 ac | 24,216.3273981 ac | 24,463.4327798 ac | 24,710.5381614 ac |
Square kilometre (International spelling as used by the International Bureau of Weights and Measures) or square kilometer (American spelling), symbol km2, is a multiple of the square metre, the SI unit of area or surface area.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square kilometer | km2 | ≡ 1 km × 1 km | = 106 m2 | Metric system SI |
square kilometers | acres | square kilometers | acres |
---|---|---|---|
1 | = 247.10538161371 | 6 | = 1482.6322896823 |
2 | = 494.21076322742 | 7 | = 1729.737671296 |
3 | = 741.31614484114 | 8 | = 1976.8430529097 |
4 | = 988.42152645485 | 9 | = 2223.9484345234 |
5 | = 1235.5269080686 | 10 | = 2471.0538161371 |
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 kilometers | acres | square kilometers |
---|---|---|---|
1 | = 0.00404685642 | 6 | = 0.02428113852 |
2 | = 0.00809371284 | 7 | = 0.02832799494 |
3 | = 0.01214056926 | 8 | = 0.03237485136 |
4 | = 0.01618742568 | 9 | = 0.03642170778 |
5 | = 0.0202342821 | 10 | = 0.0404685642 |
square kilometers | acres |
---|---|
1 | = 247.1053816 |
0.0040469 | = 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 …) |