Square Millimeter (mm²) to Square Inch Conversion
Convert square millimeter (mm²) to square inch with precision. Enter values and get instant conversions.
Area Converter
1 Square Millimeter (mm²) = 0 Square Inch
Common Conversions
About Square Millimeter (mm²) to Square Inch Conversion
Converting from Square Millimeter (mm²) to Square Inch is a common area conversion.
This online converter allows you to easily convert between square millimeter (mm²) and square inch, providing instant results with high precision.
Square Millimeter (mm²)
Definition: A square millimeter (symbol: mm²) is a metric unit of area equal to a square with 1 millimeter sides. One square millimeter equals 0.000001 square meters or about 0.00155 square inches.
History: Developed alongside the metric system to provide precise measurements for small areas. Its importance grew with industrialization and miniaturization in technology.
Current use: Essential in engineering for measuring cross-sectional areas of wires, material thicknesses, and microelectronic components. Used in printing (dot sizes) and medical fields (blood vessel cross-sections).
Square Inch
Definition: A square inch (symbol: in²) is an imperial and US customary unit of area equal to a square with 1 inch sides. One square inch equals exactly 6.4516 square centimeters or 0.00694 square feet.
History: Originated from the Roman 'uncia' (1/12 of a foot). The international inch definition of 1959 (exactly 25.4 mm) standardized the square inch in metric terms.
Current use: Used in engineering (stress calculations), manufacturing (material specifications), and electronics (chip sizes) in the US. Common for measuring small areas where imperial units are preferred.
Details
- From: Square Millimeter (mm²)
- To: Square Inch
- Formula: 1 mm² = 0.0015500031 Square Inch
- Example: 25 mm² = 0.0387500775 Square Inch
Square Millimeter (mm²) to Square Inch Conversion Table
| Square Millimeter (mm²) | Square Inch |
|---|---|
| 0.01 | 0.0000155 |
| 0.1 | 0.0001550003 |
| 1 | 0.0015500031 |
| 2 | 0.0031000062 |
| 3 | 0.0046500093 |
| 5 | 0.0077500155 |
| 10 | 0.015500031 |
| 20 | 0.031000062 |
| 50 | 0.077500155 |
| 100 | 0.15500031 |
| 1000 | 1.5500031 |