A square inch is a unit of area, equal to the area of a square with sides of one inch.It is denoted by inch2. 1-inch square is equal to 0.000 645 16 square meters. They are mainly used in units pertaining to pressure.
| Standard Units | |
|---|---|
| Acres (ac) | {{ac}} | 
| Hectares (ha) | {{ha}} | 
| Square Centimeters (cm²) | {{cm}} | 
| Square Feet (ft²) | {{ft}} | 
| Square Kilometers (km²) | {{km}} | 
| Square Meters (m²) | {{m}} | 
| Square Microinches (µin²) | {{microinch}} | 
| Square Micrometers (sq µm) | {{sqmicrometer}} | 
| Square Microns (µ²) | {{microns}} | 
| Square Miles (mi²) | {{mi}} | 
| Square Millimeters (mm²) | {{mm}} | 
| Square Yards (yd²) | {{yd}} |