Square Millimeters to Square Inches Converter
Instantly convert Square Millimeters (mm²) to Square Inches (in²). Free online converter with formula and table.
1 Square Millimeter = 0.0015500031 square inches
1 Square Inch = 645.16 square millimeters
Square Millimeters to Square Inches Conversion Table
| Square Millimeters (mm²) | Square Inches (in²) |
|---|---|
| 1 | 0.0015500031 |
| 2 | 0.0031000062 |
| 3 | 0.0046500093 |
| 4 | 0.0062000124 |
| 5 | 0.0077500155 |
| 10 | 0.0155 |
| 15 | 0.02325 |
| 20 | 0.031 |
| 25 | 0.03875 |
| 50 | 0.0775 |
| 100 | 0.155 |
| 500 | 0.775002 |
| 1,000 | 1.55 |
How to Convert Square Millimeters to Square Inches
in² = mm² × 0.0015500031Example
Convert 10 square millimeters to square inches:
10 mm² × 0.0015500031 = 0.0155 in²Popular Square Millimeter to Square Inch Conversions
About These Units
Frequently Asked Questions
How many Square Inches are in a Square Millimeter?
There are 0.0015500031 Square Inches in one Square Millimeter.
How do I convert Square Millimeters to Square Inches?
To convert Square Millimeters to Square Inches, multiply the value in Square Millimeters by 0.0015500031. For example, 10 Square Millimeters = 10 × 0.0015500031 = 0.0155 Square Inches.
What is the formula to convert Square Millimeters to Square Inches?
The formula is: Square Inches (in²) = Square Millimeters (mm²) × 0.0015500031
How do I convert Square Inches back to Square Millimeters?
To convert Square Inches to Square Millimeters, multiply by 645.16 (or divide by 0.0015500031).