Square Feet to Square Miles

Convert square feet (ft²) to square miles (mi²) with formulas, examples, and conversion tables.

ft²
mi²
1 square feet (ft²) = 3.58700488397e-8 square miles (mi²)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 square mile = 27878411.9996 square feet
2Divide the value by the conversion factor:
1 ÷ 27878411.9996 = 3.58700488397e-8
3Result:
1 square feet (ft²) = 3.58700488397e-8 square miles (mi²)
↔ Square Miles to Square Feet

How to Convert square feet to square miles

To convert square feet to square miles, divide the value by 27878411.9996.

The Formula

square miles = square feet ÷ 27878411.9996

Key Fact

1 square mile = 27878411.9996 square feet

Tip: To convert square miles back to square feet, multiply by 27878411.9996.

square feet to square miles Table

square feetsquare miles
1 ft²3.58700488397e-8 mi²
2 ft²7.17400976794e-8 mi²
5 ft²1.79350244199e-7 mi²
10 ft²3.58700488397e-7 mi²
20 ft²7.17400976794e-7 mi²
25 ft²8.96751220993e-7 mi²
50 ft²1.79350244199e-6 mi²
100 ft²3.58700488397e-6 mi²
250 ft²8.96751220993e-6 mi²
500 ft²1.79350244199e-5 mi²
1000 ft²3.58700488397e-5 mi²

1 square foot in Other Units

Unit1 ft² =
Square Feet to Square Kilometers9.2903e-8 km²
Square Feet to Hectares9.2903e-6 ha
Square Feet to Square Meters0.092903 m²
Square Feet to Square Centimeters929.03 cm²
Square Feet to Square Millimeters92903 mm²
Square Feet to Square Miles3.58700488397e-8 mi²
Square Feet to Acres2.29568109596e-5 ac
Square Feet to Square Yards0.111111111111 yd²
Square Feet to Square Inches143.999938 in²
Square Feet to Ares0.00092903 a
Square Feet to Barns9.2903e26 b

Related Conversions

Square Meters to Square FeetSquare Feet to Square MetersAcres to HectaresHectares to AcresAcres to Square MetersSquare Meters to AcresSquare Kilometers to Square MilesSquare Miles to Square KilometersSquare Feet to Square InchesSquare Inches to Square Feet