A square kilometer (symbol: sq km or km2) is equal to one million square meters. One square kilometer is approximately 0.39 square miles. Large areas of land are expressed in square kilometer -- for example area of a city or a forest.
The square inch (symbol: sq in or in2) is a unit of area in the British imperial and the United States customary systems of measurement. One square inch is equal to the area of a square with sides of one inch. It is equal to 6.4516 square centimeter or 645.16 square millimeter
| square kilometer (km2) | square inch (in2) |
|---|---|
| 1 square kilometer | 1550003100.0062 square inches |
| 2 square kilometers | 3100006200.0124 square inches |
| 3 square kilometers | 4650009300.0186 square inches |
| 4 square kilometers | 6200012400.0248 square inches |
| 5 square kilometers | 7750015500.031 square inches |
| 6 square kilometers | 9300018600.0372 square inches |
| 7 square kilometers | 10850021700.043 square inches |
| 8 square kilometers | 12400024800.05 square inches |
| 9 square kilometers | 13950027900.056 square inches |
| 10 square kilometers | 15500031000.062 square inches |
| 11 square kilometers | 17050034100.068 square inches |
| 12 square kilometers | 18600037200.074 square inches |
| 13 square kilometers | 20150040300.081 square inches |
| 14 square kilometers | 21700043400.087 square inches |
| 15 square kilometers | 23250046500.093 square inches |
| 16 square kilometers | 24800049600.099 square inches |
| 17 square kilometers | 26350052700.105 square inches |
| 18 square kilometers | 27900055800.112 square inches |
| 19 square kilometers | 29450058900.118 square inches |
| 20 square kilometers | 31000062000.124 square inches |
| 21 square kilometers | 32550065100.13 square inches |
| 22 square kilometers | 34100068200.136 square inches |
| 23 square kilometers | 35650071300.143 square inches |
| 24 square kilometers | 37200074400.149 square inches |
| 25 square kilometers | 38750077500.155 square inches |
| 26 square kilometers | 40300080600.161 square inches |
| 27 square kilometers | 41850083700.167 square inches |
| 28 square kilometers | 43400086800.174 square inches |
| 29 square kilometers | 44950089900.18 square inches |
| 30 square kilometers | 46500093000.186 square inches |
| 31 square kilometers | 48050096100.192 square inches |
| 32 square kilometers | 49600099200.198 square inches |
| 33 square kilometers | 51150102300.205 square inches |
| 34 square kilometers | 52700105400.211 square inches |
| 35 square kilometers | 54250108500.217 square inches |
| 36 square kilometers | 55800111600.223 square inches |
| 37 square kilometers | 57350114700.229 square inches |
| 38 square kilometers | 58900117800.236 square inches |
| 39 square kilometers | 60450120900.242 square inches |
| 40 square kilometers | 62000124000.248 square inches |
| 41 square kilometers | 63550127100.254 square inches |
| 42 square kilometers | 65100130200.26 square inches |
| 43 square kilometers | 66650133300.267 square inches |
| 44 square kilometers | 68200136400.273 square inches |
| 45 square kilometers | 69750139500.279 square inches |
| 46 square kilometers | 71300142600.285 square inches |
| 47 square kilometers | 72850145700.291 square inches |
| 48 square kilometers | 74400148800.298 square inches |
| 49 square kilometers | 75950151900.304 square inches |
| 50 square kilometers | 77500155000.31 square inches |
| 51 square kilometers | 79050158100.316 square inches |
| 52 square kilometers | 80600161200.322 square inches |
| 53 square kilometers | 82150164300.329 square inches |
| 54 square kilometers | 83700167400.335 square inches |
| 55 square kilometers | 85250170500.341 square inches |
| 56 square kilometers | 86800173600.347 square inches |
| 57 square kilometers | 88350176700.353 square inches |
| 58 square kilometers | 89900179800.36 square inches |
| 59 square kilometers | 91450182900.366 square inches |
| 60 square kilometers | 93000186000.372 square inches |
| 61 square kilometers | 94550189100.378 square inches |
| 62 square kilometers | 96100192200.384 square inches |
| 63 square kilometers | 97650195300.391 square inches |
| 64 square kilometers | 99200198400.397 square inches |
| 65 square kilometers | 100750201500.4 square inches |
| 66 square kilometers | 102300204600.41 square inches |
| 67 square kilometers | 103850207700.42 square inches |
| 68 square kilometers | 105400210800.42 square inches |
| 69 square kilometers | 106950213900.43 square inches |
| 70 square kilometers | 108500217000.43 square inches |
| 71 square kilometers | 110050220100.44 square inches |
| 72 square kilometers | 111600223200.45 square inches |
| 73 square kilometers | 113150226300.45 square inches |
| 74 square kilometers | 114700229400.46 square inches |
| 75 square kilometers | 116250232500.47 square inches |
| 76 square kilometers | 117800235600.47 square inches |
| 77 square kilometers | 119350238700.48 square inches |
| 78 square kilometers | 120900241800.48 square inches |
| 79 square kilometers | 122450244900.49 square inches |
| 80 square kilometers | 124000248000.5 square inches |
| 81 square kilometers | 125550251100.5 square inches |
| 82 square kilometers | 127100254200.51 square inches |
| 83 square kilometers | 128650257300.51 square inches |
| 84 square kilometers | 130200260400.52 square inches |
| 85 square kilometers | 131750263500.53 square inches |
| 86 square kilometers | 133300266600.53 square inches |
| 87 square kilometers | 134850269700.54 square inches |
| 88 square kilometers | 136400272800.55 square inches |
| 89 square kilometers | 137950275900.55 square inches |
| 90 square kilometers | 139500279000.56 square inches |
| 91 square kilometers | 141050282100.56 square inches |
| 92 square kilometers | 142600285200.57 square inches |
| 93 square kilometers | 144150288300.58 square inches |
| 94 square kilometers | 145700291400.58 square inches |
| 95 square kilometers | 147250294500.59 square inches |
| 96 square kilometers | 148800297600.6 square inches |
| 97 square kilometers | 150350300700.6 square inches |
| 98 square kilometers | 151900303800.61 square inches |
| 99 square kilometers | 153450306900.61 square inches |
| 100 square kilometers | 155000310000.62 square inches |
| 150 square kilometers | 232500465000.93 square inches |
| 200 square kilometers | 310000620001.24 square inches |
| 250 square kilometers | 387500775001.55 square inches |
| 300 square kilometers | 465000930001.86 square inches |
| 350 square kilometers | 542501085002.17 square inches |
| 400 square kilometers | 620001240002.48 square inches |
| 450 square kilometers | 697501395002.79 square inches |
| 500 square kilometers | 775001550003.1 square inches |
| 550 square kilometers | 852501705003.41 square inches |
| 600 square kilometers | 930001860003.72 square inches |
| 650 square kilometers | 1007502015004 square inches |
| 700 square kilometers | 1085002170004.3 square inches |
| 750 square kilometers | 1162502325004.7 square inches |
| 800 square kilometers | 1240002480005 square inches |
| 850 square kilometers | 1317502635005.3 square inches |
| 900 square kilometers | 1395002790005.6 square inches |
| 950 square kilometers | 1472502945005.9 square inches |
| 1000 square kilometers | 1550003100006.2 square inches |
| 1500 square kilometers | 2325004650009.3 square inches |
| 2000 square kilometers | 3100006200012.4 square inches |
| 2500 square kilometers | 3875007750015.5 square inches |
| 3000 square kilometers | 4650009300018.6 square inches |
| 3500 square kilometers | 5425010850021.7 square inches |
| 4000 square kilometers | 6200012400024.8 square inches |
| 4500 square kilometers | 6975013950027.9 square inches |
| 5000 square kilometers | 7750015500031 square inches |
| 5500 square kilometers | 8525017050034.1 square inches |
| 6000 square kilometers | 9300018600037.2 square inches |
| 6500 square kilometers | 10075020150040 square inches |
| 7000 square kilometers | 10850021700043 square inches |
| 7500 square kilometers | 11625023250046 square inches |
| 8000 square kilometers | 12400024800050 square inches |
| 8500 square kilometers | 13175026350053 square inches |
| 9000 square kilometers | 13950027900056 square inches |
| 9500 square kilometers | 14725029450059 square inches |
| 10000 square kilometers | 15500031000062 square inches |
| 15000 square kilometers | 23250046500093 square inches |
| 20000 square kilometers | 31000062000124 square inches |
| 25000 square kilometers | 38750077500155 square inches |
| 30000 square kilometers | 46500093000186 square inches |
| 35000 square kilometers | 54250108500217 square inches |
| 40000 square kilometers | 62000124000248 square inches |
| 45000 square kilometers | 69750139500279 square inches |
| 50000 square kilometers | 77500155000310 square inches |
| 55000 square kilometers | 85250170500341 square inches |
| 60000 square kilometers | 93000186000372 square inches |
| 65000 square kilometers | 1.007502015004E+14 square inches |
| 70000 square kilometers | 1.0850021700043E+14 square inches |
| 75000 square kilometers | 1.1625023250046E+14 square inches |
| 80000 square kilometers | 1.240002480005E+14 square inches |
| 85000 square kilometers | 1.3175026350053E+14 square inches |
| 90000 square kilometers | 1.3950027900056E+14 square inches |
| 95000 square kilometers | 1.4725029450059E+14 square inches |
| 100000 square kilometers | 1.5500031000062E+14 square inches |