Square Foot (ft²)
Definition: A square foot (ft²) is an imperial unit of area equal to a square with sides of one foot.
History: Historically used in construction and property measurement, especially in English-speaking countries.
Current Use: Commonly used in real estate, architecture, and interior design, especially in the US and UK.
Square Mile (mi²)
Definition: A square mile (mi²) is an imperial unit of area equal to a square with sides of one mile.
History: Historically used in land surveying and property measurement in English-speaking countries.
Current Use: Commonly used to measure large geographical areas such as cities and national parks.
Quick Conversion Table Square Foot (ft²) to Square Mile (mi²)
1 Square Foot (ft²) equal to 0.000000036 Square Mile (mi²)
5 Square Foot (ft²) equal to 0.000000179 Square Mile (mi²)
10 Square Foot (ft²) equal to 0.000000359 Square Mile (mi²)
20 Square Foot (ft²) equal to 0.000000717 Square Mile (mi²)
30 Square Foot (ft²) equal to 0.000001076 Square Mile (mi²)
50 Square Foot (ft²) equal to 0.000001794 Square Mile (mi²)
75 Square Foot (ft²) equal to 0.00000269 Square Mile (mi²)
100 Square Foot (ft²) equal to 0.000003587 Square Mile (mi²)