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 |
are | 10 000 a | 20 000 a | 30 000 a | 40 000 a | 50 000 a | 60 000 a | 70 000 a | 80 000 a | 90 000 a | 100 000 a | 110 000 a | 120 000 a | 130 000 a | 140 000 a | 150 000 a | 160 000 a | 170 000 a | 180 000 a | 190 000 a | 200 000 a | 210 000 a | 220 000 a | 230 000 a | 240 000 a | 250 000 a | 260 000 a | 270 000 a | 280 000 a | 290 000 a | 300 000 a | 310 000 a | 320 000 a | 330 000 a | 340 000 a | 350 000 a | 360 000 a | 370 000 a | 380 000 a | 390 000 a | 400 000 a | 410 000 a | 420 000 a | 430 000 a | 440 000 a | 450 000 a | 460 000 a | 470 000 a | 480 000 a | 490 000 a | 500 000 a | 510 000 a | 520 000 a | 530 000 a | 540 000 a | 550 000 a | 560 000 a | 570 000 a | 580 000 a | 590 000 a | 600 000 a | 610 000 a | 620 000 a | 630 000 a | 640 000 a | 650 000 a | 660 000 a | 670 000 a | 680 000 a | 690 000 a | 700 000 a | 710 000 a | 720 000 a | 730 000 a | 740 000 a | 750 000 a | 760 000 a | 770 000 a | 780 000 a | 790 000 a | 800 000 a | 810 000 a | 820 000 a | 830 000 a | 840 000 a | 850 000 a | 860 000 a | 870 000 a | 880 000 a | 890 000 a | 900 000 a | 910 000 a | 920 000 a | 930 000 a | 940 000 a | 950 000 a | 960 000 a | 970 000 a | 980 000 a | 990 000 a | 1 000 000 a |
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 | ares | square kilometers | ares |
---|---|---|---|
1 | = 10000 | 6 | = 60000 |
2 | = 20000 | 7 | = 70000 |
3 | = 30000 | 8 | = 80000 |
4 | = 40000 | 9 | = 90000 |
5 | = 50000 | 10 | = 100000 |
The are (/ˈɑːr/ or /ˈɛər/) is a unit of area, equal to 100 square metres (10 m × 10 m), used for measuring land area. It was defined by older forms of the metric system, but is now outside of the modern International System of Units (SI).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
are | a | ≡ 100 m2 | ≡ 100 m2 | Metric system SI |
ares | square kilometers | ares | square kilometers |
---|---|---|---|
1 | = 0.0001 | 6 | = 0.0006 |
2 | = 0.0002 | 7 | = 0.0007 |
3 | = 0.0003 | 8 | = 0.0008 |
4 | = 0.0004 | 9 | = 0.0009 |
5 | = 0.0005 | 10 | = 0.001 |
square kilometers | ares |
---|---|
1 | = 10 000 |
0.0001 | = 1 |
You can find the conversion in other languages in the following:
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 …) |