›› Measurement unit: square inch

Full name: square inch

Plural form: square inches

Symbol: in2

Alternate spelling: sq in

Category type: area

Scale factor: 0.00064516


›› Similar units

square inch
square inch [survey]


›› SI unit: square meter

The SI derived unit for area is the square meter.
1 square meter is equal to 1550.0031000062 square inch.


›› Convert square inch to another unit

Convert square inch to  

Valid units must be of the area type.
You can use this form to select from known units:

Convert square inch to  


›› Definition: Square inch

A square inch is by definition the area enclosed by a square with sides each 1 inch long.


›› Sample conversions: square inch

square inch to square picometre
square inch to square yard
square inch to dessiatina
square inch to ngarn
square inch to caballeria [Central America]
square inch to square parsec
square inch to square fermi
square inch to square kilometre
square inch to square
square inch to acre [survey]