Area
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
EVERYDAY · ENGINEERING · SCIENCE
Convert square inch (in²) to square metre (m²). Enter a value for an instant result, or use the examples and reverse conversion below.
Surface, land and cross-sectional area.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a square inch value to calculate square metre with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| square micrometrefrom in² | µm² | 645160000 |
| square millimetrefrom in² | mm² | 645.16 |
| square centimetrefrom in² | cm² | 6.4516 |
| square decimetrefrom in² | dm² | 0.064516 |
| square metrefrom in² | m² | 0.00064516 |
| arefrom in² | a | 0.0000064516 |
| hectarefrom in² | ha | 0.000000064516 |
| square kilometrefrom in² | km² | 6.4516e-10 |
| square inchfrom in² | in² | 1 |
| square footfrom in² | ft² | 0.00694444 |
| square yardfrom in² | yd² | 0.000771605 |
| acrefrom in² | acre | 0.000000159423 |
| square milefrom in² | mi² | 2.49098e-10 |
| barnfrom in² | b | 6.4516e24 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Square Inch (in²) and square metre (m²) are units of area. Use this page to convert in either direction.
| Square Inch (in²) | Square Metre (m²) |
|---|---|
| 1 in² | 0.00064516 m² |
| 5 in² | 0.0032258 m² |
| 10 in² | 0.0064516 m² |
| 100 in² | 0.064516 m² |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
m² to in² (square metre to square inch)