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 |
hide | 2 hide | 4 hide | 6 hide | 8 hide | 10 hide | 12 hide | 14 hide | 16 hide | 18 hide | 20 hide | 22 hide | 24 hide | 26 hide | 28 hide | 30 hide | 32 hide | 34 hide | 36 hide | 38 hide | 40 hide | 42 hide | 44 hide | 46 hide | 48 hide | 50 hide | 52 hide | 54 hide | 56 hide | 58 hide | 60 hide | 62 hide | 64 hide | 66 hide | 68 hide | 70 hide | 72 hide | 74 hide | 76 hide | 78 hide | 80 hide | 82 hide | 84 hide | 86 hide | 88 hide | 90 hide | 92 hide | 94 hide | 96 hide | 98 hide | 100 hide | 102 hide | 104 hide | 106 hide | 108 hide | 110 hide | 112 hide | 114 hide | 116 hide | 118 hide | 120 hide | 122 hide | 124 hide | 126 hide | 128 hide | 130 hide | 132 hide | 134 hide | 136 hide | 138 hide | 140 hide | 142 hide | 144 hide | 146 hide | 148 hide | 150 hide | 152 hide | 154 hide | 156 hide | 158 hide | 160 hide | 162 hide | 164 hide | 166 hide | 168 hide | 170 hide | 172 hide | 174 hide | 176 hide | 178 hide | 180 hide | 182 hide | 184 hide | 186 hide | 188 hide | 190 hide | 192 hide | 194 hide | 196 hide | 198 hide | 200 hide |
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 | hides | square kilometers | hides |
---|---|---|---|
1 | = 2 | 6 | = 12 |
2 | = 4 | 7 | = 14 |
3 | = 6 | 8 | = 16 |
4 | = 8 | 9 | = 18 |
5 | = 10 | 10 | = 20 |
The hide was an English unit of land measurement originally intended to represent the amount of land sufficient to support a household.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
hide | ≈ 120 ac (variable) | ≈ 5×105 m2 | Other |
hides | square kilometers | hides | square kilometers |
---|---|---|---|
1 | = 0.5 | 6 | = 3 |
2 | = 1 | 7 | = 3.5 |
3 | = 1.5 | 8 | = 4 |
4 | = 2 | 9 | = 4.5 |
5 | = 2.5 | 10 | = 5 |
square kilometers | hides |
---|---|
1 | = 2 |
0.5 | = 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 …) |