| Square Millimeters (mm2) | Square Inches (in2) |
|---|---|
| 0 | 0 |
| 1 | 0.0015500016 |
| 2 | 0.0031000032 |
| 3 | 0.0046500048 |
| 4 | 0.0062000064 |
| 5 | 0.007750008 |
| 6 | 0.0093000096 |
| 7 | 0.0108500112 |
| 8 | 0.0124000128 |
| 9 | 0.0139500144 |
| 10 | 0.015500016 |
| 20 | 0.031000032 |
| 30 | 0.046500048 |
| 40 | 0.062000064 |
| 50 | 0.07750008 |
| 60 | 0.093000096 |
| 70 | 0.108500112 |
| 80 | 0.124000128 |
| 90 | 0.139500144 |
| 100 | 0.15500016 |
| 1000 | 1.5500016 |
1 square millimeters (mm^2) is equal to 1.5500016×10^-3 square inches (in^2). Conversely, 1 square inches (in^2) is equal to 645.16062435 square millimeters (mm^2).
See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Square Inches to other unit conversions.
| Convert 1 mm2 to other units | Result |
|---|---|
| Square Millimeters to Square Nanometers (mm2 to nm2) | 1000000000000 |
| Square Millimeters to Square Micrometers (mm2 to μm2) | 1000000 |
| Square Millimeters to Square Centimeters (mm2 to cm2) | 0.01 |
| Square Millimeters to Square Meters (mm2 to m2) | 0.000001 |
| Square Millimeters to Hectares (mm2 to ha) | 1e-10 |
| Square Millimeters to Square Kilometers (mm2 to km2) | 1e-12 |
| Square Millimeters to Square Inches (mm2 to in2) | 0.0015500016 |
| Square Millimeters to Square Yards (mm2 to yd2) | 0.000001195988888889 |
| Square Millimeters to Square Feet (mm2 to ft2) | 0.0000107639 |
| Square Millimeters to Acres (mm2 to ac) | 2.4710514233242e-10 |
| Square Millimeters to Square Miles (mm2 to mi2) | 3.861017848944e-13 |