# Convert Square Feet to Square Inches

Enter your square foot value in the form below to get the value calculated in square inches.

**Results in Square Inches:**

## How to Convert Square Feet to Square Inches

Convert square feet to square inches with this simple formula:

Converting a square foot area measurement to a square inch measurement involves multiplying the area by the conversion ratio to find the result. One square foot is equal to 144 square inches, so to convert simply multiply by 144.

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

Learn more on how to find the square footage of your space using our square footage calculator.

Square feet and square inches are both units used to measure area.
Learn more about area and
find more area measurement conversion calculators.
Square feet are an imperial measurement and can be abbreviated as *sq ft*, for example 1 sq ft.
Square inches are an imperial measurement and can be abbreviated as *sq in*, for example 1 sq in.

## Square Foot Measurements and Equivalent Square Inch Conversions

Square Feet | Square Inches |
---|---|

1 sq ft | 144 sq in |

2 sq ft | 288 sq in |

3 sq ft | 432 sq in |

4 sq ft | 576 sq in |

5 sq ft | 720 sq in |

6 sq ft | 864 sq in |

7 sq ft | 1,008 sq in |

8 sq ft | 1,152 sq in |

9 sq ft | 1,296 sq in |

10 sq ft | 1,440 sq in |

11 sq ft | 1,584 sq in |

12 sq ft | 1,728 sq in |

13 sq ft | 1,872 sq in |

14 sq ft | 2,016 sq in |

15 sq ft | 2,160 sq in |

16 sq ft | 2,304 sq in |

17 sq ft | 2,448 sq in |

18 sq ft | 2,592 sq in |

19 sq ft | 2,736 sq in |

20 sq ft | 2,880 sq in |

21 sq ft | 3,024 sq in |

22 sq ft | 3,168 sq in |

23 sq ft | 3,312 sq in |

24 sq ft | 3,456 sq in |

25 sq ft | 3,600 sq in |

26 sq ft | 3,744 sq in |

27 sq ft | 3,888 sq in |

28 sq ft | 4,032 sq in |

29 sq ft | 4,176 sq in |

30 sq ft | 4,320 sq in |

31 sq ft | 4,464 sq in |

32 sq ft | 4,608 sq in |

33 sq ft | 4,752 sq in |

34 sq ft | 4,896 sq in |

35 sq ft | 5,040 sq in |

36 sq ft | 5,184 sq in |

37 sq ft | 5,328 sq in |

38 sq ft | 5,472 sq in |

39 sq ft | 5,616 sq in |

40 sq ft | 5,760 sq in |

## More Square Foot Area Conversions

**US Customary**

- Convert to Square Miles
- 1 sq ft is equal to 3.587E-8 square miles
- Convert to Acres
- 1 sq ft is equal to 2.2957E-5 acres
- Convert to Square Yards
- 1 sq ft is equal to 0.111111 square yards

**SI Units**

- Convert to Square Kilometers
- 1 sq ft is equal to 9.2903E-8 square kilometers
- Convert to Square Meters
- 1 sq ft is equal to 0.092903 square meters
- Convert to Square Centimeters
- 1 sq ft is equal to 929.0304 square centimeters
- Convert to Square Millimeters
- 1 sq ft is equal to 92,903 square millimeters

**Are Units**

- Convert to Hectares
- 1 sq ft is equal to 9.2903E-6 hectares
- Convert to Ares
- 1 sq ft is equal to 0.000929 ares