Square Inches to Square Meters Converter
1 square inch = 0.00064516 square meters
1 square inch equals 0.00064516 square meters
How to convert square inches to square meters
Area factors are squared length factors: 1 ft² = (0.3048 m)². The acre here uses international feet; historic US survey acres differ slightly.
m² = in² × 0.00064516One square inch is 0.00064516 square meters, so a single multiplication converts any value.
0.0064516 m² = 10 × 0.00064516Square inches to square meters conversion table
Common values in square inches, converted to square meters.
| Square inches (in²) | Square meters (m²) |
|---|---|
| 1 | 0.00064516 |
| 2 | 0.00129032 |
| 3 | 0.00193548 |
| 4 | 0.00258064 |
| 5 | 0.0032258 |
| 10 | 0.0064516 |
| 20 | 0.0129032 |
| 25 | 0.016129 |
| 50 | 0.032258 |
| 100 | 0.064516 |
| 250 | 0.16129 |
| 500 | 0.32258 |
| 1,000 | 0.64516 |
About these units
square inchin²
The area of a square one inch on each side: exactly 6.4516 cm².
square meterm²
The SI derived unit of area: the area of a square one metre on each side.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.