Square Foot to Square Mile Conversion
Convert square foot to square mile with precision. Enter values and get instant conversions.
Area Converter
1 Square Foot = 0 Square Mile
Common Conversions
About Square Foot to Square Mile Conversion
Converting from Square Foot to Square Mile is a common area conversion.
This online converter allows you to easily convert between square foot and square mile, providing instant results with high precision.
Square Foot
Definition: A square foot (symbol: ft²) is an imperial and US customary unit of area equal to a square with 1 foot (12 inches) sides. One square foot equals exactly 0.09290304 square meters or 144 square inches.
History: Dates back to ancient measurement systems based on human dimensions. The international foot definition of 1959 (exactly 0.3048 meters) standardized the square foot in metric terms.
Current use: The primary unit for real estate measurements in the United States (home sizes, office spaces). Also used in construction (material estimates) and architecture in countries using imperial units. The UK uses square meters officially but square feet persists in informal contexts.
Square Mile
Definition: A square mile (symbol: mi²) is an imperial and US customary unit of area equal to the area of a square with 1 mile (5280 feet) on each side. One square mile equals exactly 2.589988 square kilometers or 640 acres.
History: Originated from the English system of measurement, with the mile dating back to Roman times. The square mile became standard for land measurement in the British Empire and later in the United States.
Current use: Primarily used in the United States for measuring large land areas such as cities, counties, and national parks. Commonly appears in US real estate, zoning laws, and geographical surveys. The UK has largely transitioned to square kilometers but still uses square miles in some contexts.
Details
- From: Square Foot
- To: Square Mile
- Formula: 1 Square Foot = 0.0000000359 Square Mile
- Example: 25 Square Foot = 0.0000008968 Square Mile
Square Foot to Square Mile Conversion Table
| Square Foot | Square Mile |
|---|---|
| 0.01 | 4e-10 |
| 0.1 | 3.6e-9 |
| 1 | 3.59e-8 |
| 2 | 7.17e-8 |
| 3 | 1.076e-7 |
| 5 | 1.794e-7 |
| 10 | 3.587e-7 |
| 20 | 7.174e-7 |
| 50 | 0.0000017935 |
| 100 | 0.000003587 |
| 1000 | 0.0000358701 |