The **square** inch*(* *sq in* or **in²**) is a unit of area from the British and American measurement system. One square inch corresponds to the area of a square with a side length of one inch. It is a very small unit of area and is often used in applications where precision is important, such as engineering, construction or materials processing. **One square inch corresponds to 0.00064516 m².**

## Calculator

All information is without guarantee

**Use calculator:**

- Select the square inch (sq in) you want to convert to.
- Enter the number of square inches in the calculator.
- Click on

Although the metric system dominates in many scientific and international contexts, the square inch remains an essential unit, especially when it comes to detail-oriented work and measurements.

With our online calculator, you can easily convert square inches to other units of area, such as square meters, square centimeters, square yards or square feet. Simply enter the desired value and our tool will show you the corresponding values in other units.

## Conversion table

Here is a conversion table for square inches:

Unit | Conversion factor | Equivalent value in this unit (based on 1 sq in) |
---|---|---|

Square meter (m²) | 0,00064516 | 0,00064516 m² |

Square centimeter (cm²) | 6,4516 | 6.4516 cm² |

Hectare (ha) | 6,4516 x 10^-8 | 6.4516 x 10^-8 ha |

Acre | 1,594 x 10^-7 | 1.594 x 10^-7 acres |

Square yard (sq yd) | 7,000027 x 10^-4 | 7.000027 x 10^-4 sq yd |

Square foot (sq ft) | 0,00694444 | 0.00694444 sq ft |

Square mile (sq mi) | 2,490976 x 10^-10 | 2.490976 x 10^-10 sq mi |

Please note that these values are based on the standard definitions and may vary slightly depending on the source

## Surfaces

- Acre
- Ar
- Hectare
- Hectares in square kilometers
- Square centimeter
- Square centimeters in square meters
- Square decimeter
- Square foot
- Square inch
- Square kilometer
- Square meter
- Square meters in ar
- Square meters in hectares
- Square meters in square kilometers
- Square mile
- Square millimeter
- Square millimeters in square centimeters
- Square yard

## Surfaces

- Acre
- Ar
- Hectare
- Hectares in square kilometers
- Square centimeter
- Square centimeters in square meters
- Square decimeter
- Square foot
- Square inch
- Square kilometer
- Square meter
- Square meters in ar
- Square meters in hectares
- Square meters in square kilometers
- Square mile
- Square millimeter
- Square millimeters in square centimeters
- Square yard