| 0ft² | 0km² |
| 1ft² | 9.290304 × 10⁻⁸km² |
| 2ft² | 1.858061 × 10⁻⁷km² |
| 3ft² | 2.787091 × 10⁻⁷km² |
| 4ft² | 3.716122 × 10⁻⁷km² |
| 5ft² | 4.645152 × 10⁻⁷km² |
| 6ft² | 5.574182 × 10⁻⁷km² |
| 7ft² | 6.503213 × 10⁻⁷km² |
| 8ft² | 7.432243 × 10⁻⁷km² |
| 9ft² | 8.361274 × 10⁻⁷km² |
| 10ft² | 9.290304 × 10⁻⁷km² |
| 11ft² | 0.00000102193344km² |
| 12ft² | 0.00000111483648km² |
| 13ft² | 0.00000120773952km² |
| 14ft² | 0.00000130064256km² |
| 15ft² | 0.0000013935456km² |
| 16ft² | 0.00000148644864km² |
| 17ft² | 0.00000157935168km² |
| 18ft² | 0.00000167225472km² |
| 19ft² | 0.00000176515776km² |
| 20ft² | 0.0000018580608km² |
| 21ft² | 0.00000195096384km² |
| 22ft² | 0.00000204386688km² |
| 23ft² | 0.00000213676992km² |
| 24ft² | 0.00000222967296km² |
| 25ft² | 0.000002322576km² |
| 26ft² | 0.00000241547904km² |
| 27ft² | 0.00000250838208km² |
| 28ft² | 0.00000260128512km² |
| 29ft² | 0.00000269418816km² |
| 30ft² | 0.0000027870912km² |
| 31ft² | 0.00000287999424km² |
| 32ft² | 0.00000297289728km² |
| 33ft² | 0.00000306580032km² |
| 34ft² | 0.00000315870336km² |
| 35ft² | 0.0000032516064km² |
| 36ft² | 0.00000334450944km² |
| 37ft² | 0.00000343741248km² |
| 38ft² | 0.00000353031552km² |
| 39ft² | 0.00000362321856km² |
| 40ft² | 0.0000037161216km² |
| 41ft² | 0.00000380902464km² |
| 42ft² | 0.00000390192768km² |
| 43ft² | 0.00000399483072km² |
| 44ft² | 0.00000408773376km² |
| 45ft² | 0.0000041806368km² |
| 46ft² | 0.00000427353984km² |
| 47ft² | 0.00000436644288km² |
| 48ft² | 0.00000445934592km² |
| 49ft² | 0.00000455224896km² |
| 50ft² | 0.000004645152km² |
| 51ft² | 0.00000473805504km² |
| 52ft² | 0.00000483095808km² |
| 53ft² | 0.00000492386112km² |
| 54ft² | 0.00000501676416km² |
| 55ft² | 0.0000051096672km² |
| 56ft² | 0.00000520257024km² |
| 57ft² | 0.00000529547328km² |
| 58ft² | 0.00000538837632km² |
| 59ft² | 0.00000548127936km² |
| 60ft² | 0.0000055741824km² |
| 61ft² | 0.00000566708544km² |
| 62ft² | 0.00000575998848km² |
| 63ft² | 0.00000585289152km² |
| 64ft² | 0.00000594579456km² |
| 65ft² | 0.0000060386976km² |
| 66ft² | 0.00000613160064km² |
| 67ft² | 0.00000622450368km² |
| 68ft² | 0.00000631740672km² |
| 69ft² | 0.00000641030976km² |
| 70ft² | 0.0000065032128km² |
| 71ft² | 0.00000659611584km² |
| 72ft² | 0.00000668901888km² |
| 73ft² | 0.00000678192192km² |
| 74ft² | 0.00000687482496km² |
| 75ft² | 0.000006967728km² |
| 76ft² | 0.00000706063104km² |
| 77ft² | 0.00000715353408km² |
| 78ft² | 0.00000724643712km² |
| 79ft² | 0.00000733934016km² |
| 80ft² | 0.0000074322432km² |
| 81ft² | 0.00000752514624km² |
| 82ft² | 0.00000761804928km² |
| 83ft² | 0.00000771095232km² |
| 84ft² | 0.00000780385536km² |
| 85ft² | 0.0000078967584km² |
| 86ft² | 0.00000798966144km² |
| 87ft² | 0.00000808256448km² |
| 88ft² | 0.00000817546752km² |
| 89ft² | 0.00000826837056km² |
| 90ft² | 0.0000083612736km² |
| 91ft² | 0.00000845417664km² |
| 92ft² | 0.00000854707968km² |
| 93ft² | 0.00000863998272km² |
| 94ft² | 0.00000873288576km² |
| 95ft² | 0.0000088257888km² |
| 96ft² | 0.00000891869184km² |
| 97ft² | 0.00000901159488km² |
| 98ft² | 0.00000910449792km² |
| 99ft² | 0.00000919740096km² |
The square foot is a unit of area and is an imperial unit with the symbol ft².
One square foot is equal in area to a square with edges one foot in length.
It is used a lot in expressing the internal size of a house, apartment, office or other properties so is a useful unit to understand.
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.