Square inches (in²) to Square meters (m²) Conversion
Square inches
The square inch is a unit of area equal to exactly 6.4516 cm² (the square of 2.54 cm). It is used in engineering for specifying material cross-sections, pressure calculations (pounds per square inch = psi), and the dimensions of small components. Tile and flooring materials in the United States are sometimes measured in square inches for small-format tiles.
Square meters
The square metre is the SI derived unit of area, defined as the area of a square whose sides each measure exactly one metre. It is the standard unit for floor areas in architecture and real estate, land parcels in urban planning, and cross-sectional areas in engineering. The surface area of a tennis court is approximately 260 m², a standard football pitch about 7,140 m², and a hectare equals exactly 10,000 m².
| Square inches (in²) | Square meters (m²) |
|---|---|
| 0.1 in² | 0.0000645 m² |
| 1 in² | 0.000645 m² |
| 2 in² | 0.00129 m² |
| 3 in² | 0.00194 m² |
| 5 in² | 0.00323 m² |
| 10 in² | 0.00645 m² |
| 20 in² | 0.0129 m² |
| 30 in² | 0.0194 m² |
| 50 in² | 0.0323 m² |
| 100 in² | 0.0645 m² |
| 1000 in² | 0.6452 m² |
Frequently Asked Questions (FAQ)
How many square meters are in 1 square inches?
1 square inches (in²) is exactly 0.000645 square meters (m²).
How do I convert square inches to square meters?
Multiply the value in square inches by 0.000645 to get the result in square meters. Or use the converter above — type any number and see the result instantly.