ConvertNavi

Square foot to Square kilometer (ft² → km²)

Convert square foot to square kilometer instantly. The conversion factor below is exact by international definition.

Realtime·area·imperial
Exact
ft²
× 0
km²
0.00000009
Precision [auto]
6

📐ft² to km² formulaExact

km² = ft² × 9.290304e-8
Inverse: ft² = km² × 1.076391e+7

Worked example: 1 ft² = 9.290304e-8 km²

ℹ️About these units

Square foot (ft²)
Real estate in US, UK, India.
Square kilometer (km²)

📊Reference table: ft² → km²

Square foot (ft²)Square kilometer (km²)
10.00000009
20.00000019
50.00000046
100.00000093
150.00000139
200.00000186
250.00000232
500.00000465
1000.00000929
2500.00002323
5000.00004645
7500.00006968
1,0000.0000929

Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.

🔁Reverse & related

Reverse: km² → ft²ft² → m²ft² → cm²ft² → mm²ft² → haft² → aft² → in²ft² → yd²ft² → mi²

🔌API & widget

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