mm² to in² converter
1 mm² = 0.00155 in²
And 1 in² = 645.16 mm². Square millimetres to square inches.
Formula
in² = mm² × 0.00155
A reading of 10 mm² is 10 × 0.00155 = 0.0155 in².
mm² to in² table
| mm² | in² |
|---|---|
| 1 mm² | 0.00155 in² |
| 2 mm² | 0.00310001 in² |
| 5 mm² | 0.00775002 in² |
| 10 mm² | 0.0155 in² |
| 25 mm² | 0.0387501 in² |
| 50 mm² | 0.0775002 in² |
| 100 mm² | 0.155 in² |
| 500 mm² | 0.775002 in² |
| 1,000 mm² | 1.55 in² |
in² to mm² table
| in² | mm² |
|---|---|
| 1 in² | 645.16 mm² |
| 2 in² | 1,290.32 mm² |
| 5 in² | 3,225.8 mm² |
| 10 in² | 6,451.6 mm² |
| 25 in² | 16,129 mm² |
| 50 in² | 32,258 mm² |
About these units
mm² (square millimetres): Cross-sections and wire sizes.
in² (square inches): US cross-sections, pistons and contact areas.
Square units scale with the square of the length conversion: 1 in = 25.4 mm, so 1 in² = 645.16 mm².
Convert in² to mm² instead · All area conversions