# Convert square inches to square centimeters

Enter the number of square inches you want to convert to square centimeters in the text box below. The conversion to area in square centimeters will update as you type.

{"answerString":"6.452","answerSymbol":"square centimeters"}## Precise decimal and fraction answers

The conversion in square centimeters rounded to six significant decimal places is **1 sq in = 6.451600 cm ^{2}.**
The precise fraction answer is

**6**.

^{1115}/_{2469}cm^{2}### Decimal Precision

Conversion from one to ten decimal places

- 1 sq in =
**6.5 cm**^{2} - 1 sq in =
**6.45 cm**^{2} - 1 sq in =
**6.452 cm**^{2} - 1 sq in =
**6.4516 cm**^{2} - 1 sq in =
**6.45160 cm**^{2} - 1 sq in =
**6.451600 cm**^{2} - 1 sq in =
**6.4516000 cm**^{2} - 1 sq in =
**6.45160000 cm**^{2} - 1 sq in =
**6.451600000 cm**^{2} - 1 sq in =
**6.4516000000 cm**^{2}

## Square inches to square centimeters conversion factor and formulas

FormulaThe conversion factor between square inches and square centimeters is 6.452. This represents the ratio of square centimeters per one square inch. To calculate the value in square centimeters, we can either multiply by the conversion factor or divide by its inverse.

### Multiplication

To convert from square inches to square centimeters, multiply square inches by 6.452.

The formula is expressed as:

*sq in × 6.452 = cm ^{2}*

### Division

Alternatively we can divide by the inverse conversion factor to get the same result.

The inverse of 6.452 is 1/6.452 or 0.155.
To convert from square inches to square centimeters, divide square inches by 0.155.

The formula is expressed as:

*sq in ÷ 0.155 = cm ^{2}*

## About this conversion

Converting square inches to square centimeters is a conversion between units from separate unit systems - square inches are US Customary / UK Imperial defined units while square centimeters are metric (SI) .

## Reverse this conversion

Convert from square centimeters to square inches instead.

## 1 square inches to other area units

### Metric

- 1 sq in =
**6.452×10**^{-8}ha - 1 sq in =
**6.452×10**^{-10}km^{2} - 1 sq in =
**6.452×10**^{-4}m^{2} - 1 sq in =
**0.065 dm**^{2} - 1 sq in =
**6.452 cm**^{2} - 1 sq in =
**645.16 mm**^{2} - 1 sq in =
**6.452×10**^{8}µ^{2} - 1 sq in =
**6.452×10**^{14}nm^{2}

### Imperial/U.S.

- 1 sq in =
**1.594×10**^{-7}acre - 1 sq in =
**2.491×10**^{-10}sq mi - 1 sq in =
**7.716×10**^{-4}sq yd - 1 sq in =
**0.007 sq ft** - 1 sq in =
**1 sq in**

## References and Citations

- National Institute of Standards and Technology (NIST) General Tables of Units of Measurement
- International Bureau of Weights and Measures (BIPM) The International System of Units (SI)

## Square inches to square centimeters conversion table

sq in | cm^{2} |
---|---|

1 sq in |
6.452 cm^{2} |

2 sq in |
12.903 cm^{2} |

3 sq in |
19.355 cm^{2} |

4 sq in |
25.806 cm^{2} |

5 sq in |
32.258 cm^{2} |

6 sq in |
38.71 cm^{2} |

7 sq in |
45.161 cm^{2} |

8 sq in |
51.613 cm^{2} |

9 sq in |
58.064 cm^{2} |

10 sq in |
64.516 cm^{2} |

sq in | cm^{2} |
---|---|

20 sq in |
129.032 cm^{2} |

30 sq in |
193.548 cm^{2} |

40 sq in |
258.064 cm^{2} |

50 sq in |
322.58 cm^{2} |

60 sq in |
387.096 cm^{2} |

70 sq in |
451.612 cm^{2} |

80 sq in |
516.128 cm^{2} |

90 sq in |
580.644 cm^{2} |

100 sq in |
645.16 cm^{2} |

1,000 sq in |
6,451.6 cm^{2} |

#### More sq in to cm^{2} conversions

- 7 sq in to cm
^{2} - 19 sq in to cm
^{2} - 71 sq in to cm
^{2} - 64 sq in to cm
^{2} - 28 sq in to cm
^{2} - 18 sq in to cm
^{2} - 57 sq in to cm
^{2} - 87 sq in to cm
^{2} - 59 sq in to cm
^{2} - 63 sq in to cm
^{2} - 58 sq in to cm
^{2} - 65 sq in to cm
^{2} - 60 sq in to cm
^{2} - 62 sq in to cm
^{2} - 63 sq in to cm
^{2} - 22 sq in to cm
^{2} - 53 sq in to cm
^{2} - 51 sq in to cm
^{2} - 59 sq in to cm
^{2} - 81 sq in to cm
^{2}