# Convert Square Inches to Square Meters

Enter the area in square inches below to get the value converted to square meters.

**Results in Square Meters:**

## How to Convert Square Inches to Square Meters

To convert a square inch measurement to a square meter measurement, multiply the area by the conversion ratio. One square inch is equal to 0.000645 square meters, so use this simple formula to convert:

The area in square meters is equal to the square inches multiplied by 0.000645.

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

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

## Square Inches

One square inch is equal to the area of a square with sides that are 1 inch in length.

The square inch is a US customary and imperial unit of area. A square inch is sometimes also referred to as a square in. Square inches can be abbreviated as *sq in*, and are also sometimes abbreviated as *in²*. For example, 1 square inch can be written as 1 sq in or 1 in².

## Square Meters

One square meter is equal to the area of a square with sides that are 1 meter in length.

The square meter, or square metre, is the SI derived unit for area in the metric system. A square meter is sometimes also referred to as a square m. Square meters can be abbreviated as *sq m*, and are also sometimes abbreviated as *m²*. For example, 1 square meter can be written as 1 sq m or 1 m².

Try our square meters calculator to calculate the area of a space.

## Square Inch Measurements and Equivalent Square Meter Conversions

Square Inches | Square Meters |
---|---|

1 sq in | 0.000645 sq m |

2 sq in | 0.00129 sq m |

3 sq in | 0.001935 sq m |

4 sq in | 0.002581 sq m |

5 sq in | 0.003226 sq m |

6 sq in | 0.003871 sq m |

7 sq in | 0.004516 sq m |

8 sq in | 0.005161 sq m |

9 sq in | 0.005806 sq m |

10 sq in | 0.006452 sq m |

11 sq in | 0.007097 sq m |

12 sq in | 0.007742 sq m |

13 sq in | 0.008387 sq m |

14 sq in | 0.009032 sq m |

15 sq in | 0.009677 sq m |

16 sq in | 0.010323 sq m |

17 sq in | 0.010968 sq m |

18 sq in | 0.011613 sq m |

19 sq in | 0.012258 sq m |

20 sq in | 0.012903 sq m |

21 sq in | 0.013548 sq m |

22 sq in | 0.014194 sq m |

23 sq in | 0.014839 sq m |

24 sq in | 0.015484 sq m |

25 sq in | 0.016129 sq m |

26 sq in | 0.016774 sq m |

27 sq in | 0.017419 sq m |

28 sq in | 0.018064 sq m |

29 sq in | 0.01871 sq m |

30 sq in | 0.019355 sq m |

31 sq in | 0.02 sq m |

32 sq in | 0.020645 sq m |

33 sq in | 0.02129 sq m |

34 sq in | 0.021935 sq m |

35 sq in | 0.022581 sq m |

36 sq in | 0.023226 sq m |

37 sq in | 0.023871 sq m |

38 sq in | 0.024516 sq m |

39 sq in | 0.025161 sq m |

40 sq in | 0.025806 sq m |

## More Square Inch Area Conversions

**US Customary**

- Convert to Square Miles
- 1 sq in is equal to 2.491E-10 square miles
- Convert to Acres
- 1 sq in is equal to 1.5942E-7 acres
- Convert to Square Yards
- 1 sq in is equal to 0.000772 square yards
- Convert to Square Feet
- 1 sq in is equal to 0.006944 square feet

**SI Units**

- Convert to Square Kilometers
- 1 sq in is equal to 6.4516E-10 square kilometers
- Convert to Square Centimeters
- 1 sq in is equal to 6.4516 square centimeters
- Convert to Square Millimeters
- 1 sq in is equal to 645.16 square millimeters

**Other Metric Units**

- Convert to Hectares
- 1 sq in is equal to 6.4516E-8 hectares
- Convert to Ares
- 1 sq in is equal to 6.4516E-6 ares