Conversion reference
Formula: km2 = ft2 x 9.29030400e-8.
Square feet to Square kilometers Converter
Convert Square feet (ft2) to Square kilometers (km2). Change either field to update the other value instantly.
ft2 and km2 converter
This page converts area units directly in your browser.
ft2 to km2 conversion table
| Square feet | Square kilometers |
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ft2 to km2 formula
About ft2
Square feet are used in area conversions. Enter a ft2 value above to calculate km2 instantly.
About km2
Square kilometers are the target unit on this page. The table below gives common reference values for quick comparison.
Convert other units to km2
These pages use km2 as the target unit.