square foot to square kilometre
Live square foot (ft²) to square kilometre (km²) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from square foot to square kilometre. Use the converter above for arbitrary values.
| square foot (ft²) | → | square kilometre (km²) |
|---|---|---|
| 0.001 ft² | → | 9.2903e-11 km² |
| 0.01 ft² | → | 9.2903e-10 km² |
| 0.1 ft² | → | 9.2903e-9 km² |
| 0.5 ft² | → | 4.6452e-8 km² |
| 1 ft² | → | 9.2903e-8 km² |
| 2 ft² | → | 1.8581e-7 km² |
| 5 ft² | → | 4.6452e-7 km² |
| 10 ft² | → | 9.2903e-7 km² |
| 100 ft² | → | 9.2903e-6 km² |
| 1,000 ft² | → | 9.2903e-5 km² |
About the square foot
US floor area, real estate.
About the square kilometre
100 hectares or 1,000,000 m². Country/city size.
How square foot to square kilometre conversion works
Both units belong to Area. Unitbox first expresses the input in the category reference unit (m²), then expresses that same quantity in square kilometre.
The right unit depends on the convention used by your industry, country, instrument, or source document.
Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.
Frequently asked questions
Frequently Asked Questions
How do I convert square foot to square kilometre?
Multiply the square foot value by 9.2903e-8 to get it in square kilometre. For example, 10 ft² = 9.29e-7 km².
What is 1 ft² in km²?
1 ft² = 9.2903e-8 km².
What is 100 ft² in km²?
100 ft² = 9.29e-6 km².
What is the formula?
Linear: multiply by 9.2903e-8 (the unit factor ratio).
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