| 0km² | 0in² |
| 1km² | 1,550,003,100in² |
| 2km² | 3,100,006,200in² |
| 3km² | 4,650,009,300in² |
| 4km² | 6,200,012,400in² |
| 5km² | 7,750,015,500in² |
| 6km² | 9,300,018,600in² |
| 7km² | 10,850,021,700in² |
| 8km² | 12,400,024,800in² |
| 9km² | 13,950,027,900in² |
| 10km² | 15,500,031,000in² |
| 11km² | 17,050,034,100in² |
| 12km² | 18,600,037,200in² |
| 13km² | 20,150,040,300in² |
| 14km² | 21,700,043,400in² |
| 15km² | 23,250,046,500in² |
| 16km² | 24,800,049,600in² |
| 17km² | 26,350,052,700in² |
| 18km² | 27,900,055,800in² |
| 19km² | 29,450,058,900in² |
| 20km² | 31,000,062,000in² |
| 21km² | 32,550,065,100in² |
| 22km² | 34,100,068,200in² |
| 23km² | 35,650,071,300in² |
| 24km² | 37,200,074,400in² |
| 25km² | 38,750,077,500in² |
| 26km² | 40,300,080,600in² |
| 27km² | 41,850,083,700in² |
| 28km² | 43,400,086,800in² |
| 29km² | 44,950,089,900in² |
| 30km² | 46,500,093,000in² |
| 31km² | 48,050,096,100in² |
| 32km² | 49,600,099,200in² |
| 33km² | 51,150,102,300in² |
| 34km² | 52,700,105,400in² |
| 35km² | 54,250,108,500in² |
| 36km² | 55,800,111,600in² |
| 37km² | 57,350,114,700in² |
| 38km² | 58,900,117,800in² |
| 39km² | 60,450,120,900in² |
| 40km² | 62,000,124,000in² |
| 41km² | 63,550,127,100in² |
| 42km² | 65,100,130,200in² |
| 43km² | 66,650,133,300in² |
| 44km² | 68,200,136,400in² |
| 45km² | 69,750,139,500in² |
| 46km² | 71,300,142,600in² |
| 47km² | 72,850,145,700in² |
| 48km² | 74,400,148,800in² |
| 49km² | 75,950,151,900in² |
| 50km² | 77,500,155,000in² |
| 51km² | 79,050,158,100in² |
| 52km² | 80,600,161,200in² |
| 53km² | 82,150,164,300in² |
| 54km² | 83,700,167,400in² |
| 55km² | 85,250,170,500in² |
| 56km² | 86,800,173,600in² |
| 57km² | 88,350,176,700in² |
| 58km² | 89,900,179,800in² |
| 59km² | 91,450,182,900in² |
| 60km² | 93,000,186,000in² |
| 61km² | 94,550,189,100in² |
| 62km² | 96,100,192,200in² |
| 63km² | 97,650,195,300in² |
| 64km² | 99,200,198,400in² |
| 65km² | 100,750,201,500in² |
| 66km² | 102,300,204,600in² |
| 67km² | 103,850,207,700in² |
| 68km² | 105,400,210,800in² |
| 69km² | 106,950,213,900in² |
| 70km² | 108,500,217,000in² |
| 71km² | 110,050,220,100in² |
| 72km² | 111,600,223,200in² |
| 73km² | 113,150,226,300in² |
| 74km² | 114,700,229,400in² |
| 75km² | 116,250,232,500in² |
| 76km² | 117,800,235,600in² |
| 77km² | 119,350,238,700in² |
| 78km² | 120,900,241,800in² |
| 79km² | 122,450,244,900in² |
| 80km² | 124,000,248,000in² |
| 81km² | 125,550,251,100in² |
| 82km² | 127,100,254,200in² |
| 83km² | 128,650,257,300in² |
| 84km² | 130,200,260,400in² |
| 85km² | 131,750,263,500in² |
| 86km² | 133,300,266,600in² |
| 87km² | 134,850,269,700in² |
| 88km² | 136,400,272,800in² |
| 89km² | 137,950,275,900in² |
| 90km² | 139,500,279,000in² |
| 91km² | 141,050,282,100in² |
| 92km² | 142,600,285,200in² |
| 93km² | 144,150,288,300in² |
| 94km² | 145,700,291,400in² |
| 95km² | 147,250,294,500in² |
| 96km² | 148,800,297,600in² |
| 97km² | 150,350,300,700in² |
| 98km² | 151,900,303,800in² |
| 99km² | 153,450,306,900in² |
The square kilometre is a unit of area and is a multiple of the square metre; an SI derived unit. It has the symbol km².
A square kilometre is equal to the area of a square with edges 1km long. There are 1,000,000 square metres in a square kilometre.
Square kilometres are often used to describe expansive areas of land due to the large unit size.
The square inch is a unit of area and is an imperial unit with the symbol in².
One square inch is equal in area to a square with edges one inch in length.
The square inch is a common unit of measurement in the UK and US.