Square millimeters to Square inches Converter
Adjust the numbers below — results update instantly
mm²
in²
1mm² × (0.000001 / 0.00064516) = 0.001550003in²
→ Rounded to display: 0.00155in²
How to Convert Square millimeters to Square inches
Example:
15 mm² = 0.02325 in²
1 mm² = 0.00155 in² | 1 in² = 645.16 mm²
Conversion Steps:
15 × (0.000001 / 0.00064516) = 0.023250047
Conversion table from Square millimeters to Square inches
| Square millimeters [mm²] | Square inches [in²] |
|---|---|
| 0.01 mm² | 0.000016 in² |
| 0.1 mm² | 0.000155 in² |
| 1 mm² | 0.00155 in² |
| 2 mm² | 0.0031 in² |
| 3 mm² | 0.00465 in² |
| 5 mm² | 0.00775 in² |
| 10 mm² | 0.0155 in² |
| 20 mm² | 0.031 in² |
| 50 mm² | 0.0775 in² |
| 100 mm² | 0.155 in² |
| 1000 mm² | 1.550003 in² |