Square Miles to Square Feet

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

mi²
ft²
1 square miles (mi²) = 27878411.9996 square feet (ft²)
Round to:
Sq Yards + Sq Feet:3097601 sq yd 3 sq ft
Acres + Sq Feet:640 acres 1e1 sq ft
Step-by-Step Solution
1Write the conversion factor:
1 square mile = 27878411.9996 square feet
2Multiply the value by the conversion factor:
1 × 27878411.9996 = 27878411.9996
3Result:
1 square miles (mi²) = 27878411.9996 square feet (ft²)
↔ Square Feet to Square Miles

How to Convert square miles to square feet

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

The Formula

square feet = square miles × 27878411.9996

Key Fact

1 square mile = 27878411.9996 square feet

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

square miles to square feet Table

square milessquare feet
1 mi²27878411.9996 ft²
2 mi²55756823.9992 ft²
5 mi²139392059.998 ft²
10 mi²278784119.996 ft²
20 mi²557568239.992 ft²
25 mi²696960299.99 ft²
50 mi²1.39392059998e9 ft²
100 mi²2.78784119996e9 ft²
250 mi²6.9696029999e9 ft²
500 mi²1.39392059998e10 ft²
1000 mi²2.78784119996e10 ft²

1 square mile in Other Units

Unit1 mi² =
Square Miles to Square Kilometers2.58998811 km²
Square Miles to Hectares258.998811 ha
Square Miles to Square Meters2589988.11 m²
Square Miles to Square Centimeters2.58998811e10 cm²
Square Miles to Square Millimeters2.58998811e12 mm²
Square Miles to Acres639.999434129 ac
Square Miles to Square Yards3097601.33329 yd²
Square Miles to Square Feet27878411.9996 ft²
Square Miles to Square Inches4.01448959948e9 in²
Square Miles to Ares25899.8811 a
Square Miles to Barns2.58998811e34 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