What is a Square Inch (in²)?
A square inch (in²) is a unit of area equal to a square with sides of one inch.
Definition
Symbol
in²
Category
Area
System
Imperial
1 {unit} = {value} {otherUnit}
1 Square Inch = 645.16 Square Millimeter (mm²)
1 Square Inch = 6.4516 Square Centimeter (cm²)
1 Square Inch = 0.00064516 Square Meter (m²)
1 Square Inch = 6.4516e-10 Square Kilometer (km²)
1 Square Inch = 0.00694444 Square Foot (ft²)
Common Uses
- Display resolution
- Material cross-section
- Label sizing