# Convert Square Inches to Square Centimeters

## Learn How to Convert Square Inches to Square Centimeters Using our Conversion Formula

Converting a square inch area measurement to a square centimeter measurement involves multiplying your area by the conversion ratio to find the result. A square inch is equal to 6.4516 square centimeters, so to convert simply multiply by 6.4516.

For example, 5sq in = (5 × 6.4516) = 32.258sq cm.

Learn more about finding the area of your space using our area calculator.

Square inches and square centimeters are both units used to measure area. Learn more about area and
find more area measurement conversion calculators.
A square inch is an imperial measurement and can be abbreviated as *sq in*, for example 1sq in.
A square centimeter is a metric measurement and can be abbreviated as *sq cm*, for example 1sq cm.
Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

## More Area Conversions

- Convert to Square Miles Area
- 1sq in is equal to 2.491E-10 square miles
- Convert to Acres Area
- 1sq in is equal to 1.5942E-7 acres
- Convert to Square Yards Area
- 1sq in is equal to 0.000772 square yards
- Convert to Square Feet Area
- 1sq in is equal to 0.006944 square feet
- Convert to Square Kilometers Area
- 1sq in is equal to 6.4516E-10 square kilometers
- Convert to Hectares Area
- 1sq in is equal to 6.4516E-8 hectares
- Convert to Ares Area
- 1sq in is equal to 6.4516E-6 ares
- Convert to Square Meters Area
- 1sq in is equal to 0.000645 square meters
- Convert to Square Millimeters Area
- 1sq in is equal to 645.16 square millimeters

## Square Inch Measurements and Equivalent Square Centimeter Conversions

Square Inches | Square Centimeters | Square Inches | Square Centimeters | Square Inches | Square Centimeters |
---|---|---|---|---|---|

1 | 6.4516 | 21 | 135.48 | 41 | 264.52 |

2 | 12.9 | 22 | 141.94 | 42 | 270.97 |

3 | 19.35 | 23 | 148.39 | 43 | 277.42 |

4 | 25.81 | 24 | 154.84 | 44 | 283.87 |

5 | 32.26 | 25 | 161.29 | 45 | 290.32 |

6 | 38.71 | 26 | 167.74 | 46 | 296.77 |

7 | 45.16 | 27 | 174.19 | 47 | 303.23 |

8 | 51.61 | 28 | 180.64 | 48 | 309.68 |

9 | 58.06 | 29 | 187.1 | 49 | 316.13 |

10 | 64.52 | 30 | 193.55 | 50 | 322.58 |

11 | 70.97 | 31 | 200 | 51 | 329.03 |

12 | 77.42 | 32 | 206.45 | 52 | 335.48 |

13 | 83.87 | 33 | 212.9 | 53 | 341.93 |

14 | 90.32 | 34 | 219.35 | 54 | 348.39 |

15 | 96.77 | 35 | 225.81 | 55 | 354.84 |

16 | 103.23 | 36 | 232.26 | 56 | 361.29 |

17 | 109.68 | 37 | 238.71 | 57 | 367.74 |

18 | 116.13 | 38 | 245.16 | 58 | 374.19 |

19 | 122.58 | 39 | 251.61 | 59 | 380.64 |

20 | 129.03 | 40 | 258.06 | 60 | 387.1 |