# Square Miles to Square Feet Converter

Enter the area in square miles below to get the value converted to square feet.

**Results in Square Feet:**

Do you want to convert square feet to square miles?

## How to Convert Square Miles to Square Feet

To convert a measurement in square miles to a measurement in square feet, multiply the area by the following conversion ratio: 27,878,400 square feet/square mile.

Since one square mile is equal to 27,878,400 square feet, you can use this simple formula to convert:

square feet = square miles × 27,878,400

The area in square feet is equal to the area in square miles multiplied by 27,878,400.

**For example,**here's how to convert 5 square miles to square feet using the formula above.

### How Many Square Feet Are in a Square Mile?

There are **27,878,400** square feet in a square mile, which is why we use this value in the formula above.

1 sq mi = 27,878,400 sq ft

Square miles and square feet are both units used to measure area. Keep reading to learn more about each unit of measure.

## What Is a Square Mile?

One square mile is equal to the area of a square with sides that are each 1 mile long. One square mile is roughly equal to 2.59 square kilometers or 640 acres.

The square mile is a US customary and imperial unit of area. Square miles can be abbreviated as *sq mi*, and are also sometimes abbreviated as *mi²*. For example, 1 square mile can be written as 1 sq mi or 1 mi².

Learn more about square miles.

## What Is a Square Foot?

One square foot is equivalent to the area of a square with sides that are each 1 foot in length.^{[1]} One square foot is equal to 144 square inches or 0.092903 square meters .

The square foot is a US customary and imperial unit of area. A square foot is sometimes also referred to as a square ft. Square feet can be abbreviated as *sq ft*, and are also sometimes abbreviated as *ft²*. For example, 1 square foot can be written as 1 sq ft or 1 ft².

You can use a square footage calculator to calculate the area of a space if you know its dimensions.

Learn more about square feet.

## Square Mile to Square Foot Conversion Table

Square Miles | Square Feet |
---|---|

0.0000001 sq mi | 2.7878 sq ft |

0.0000002 sq mi | 5.5757 sq ft |

0.0000003 sq mi | 8.3635 sq ft |

0.0000004 sq mi | 11.15 sq ft |

0.0000005 sq mi | 13.94 sq ft |

0.0000006 sq mi | 16.73 sq ft |

0.0000007 sq mi | 19.51 sq ft |

0.0000008 sq mi | 22.3 sq ft |

0.0000009 sq mi | 25.09 sq ft |

0.00000001 sq mi | 0.278784 sq ft |

0.0000001 sq mi | 2.7878 sq ft |

0.000001 sq mi | 27.88 sq ft |

0.00001 sq mi | 278.78 sq ft |

0.0001 sq mi | 2,788 sq ft |

0.001 sq mi | 27,878 sq ft |

0.01 sq mi | 278,784 sq ft |

0.1 sq mi | 2,787,840 sq ft |

1 sq mi | 27,878,400 sq ft |

## References

- Merriam-Webster, square foot, https://www.merriam-webster.com/dictionary/square%20foot

## More Square Mile & Square Foot Conversions

- square miles to acres
- square miles to square yards
- square miles to square inches
- square miles to square kilometers
- square miles to square meters
- square miles to square centimeters
- square miles to square millimeters
- square miles to hectares
- square miles to ares
- acres to square feet
- square yards to square feet
- square inches to square feet
- square kilometers to square feet
- square meters to square feet
- square centimeters to square feet
- square millimeters to square feet
- hectares to square feet
- ares to square feet