Square Millimeters to Square Inches
Type a value in mm² and the in² equivalent appears instantly.
How to convert mm² to in²
Multiply the mm² value by 0.001550003.
1 mm² = 0.001550003 in²
Quick conversion table
| mm² | in² |
|---|---|
| 1 | 0.001550003 |
| 2 | 0.003100006 |
| 5 | 0.007750016 |
| 10 | 0.015500031 |
| 20 | 0.031000062 |
| 50 | 0.077500155 |
| 100 | 0.15500031 |
| 500 | 0.77500155 |
| 1000 | 1.550003 |
About the units
Square Millimeters (mm²): Wire cross-sections and small mechanical parts.
Square Inches (in²): Screens, paper and small parts in the US.