**Full name:** square inch

**Plural form:** square inches

**Symbol:** in^{2}

**Alternate spelling:** sq in

**Category type:** area

**Scale factor:** 0.00064516

square inch

square inch [survey]

The SI derived unit for area is the square meter.

1 square meter is equal to 1550.0031000062 square inch.

Valid units must be of the **area** type.

You can use this form to select from known units:

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

square inch to acre [survey]

square inch to square kilometre

square inch to square mile [nautical]

square inch to perch

square inch to square fathom

square inch to oxgang

square inch to square gigametre

square inch to square femtometre

square inch to acre [Ireland]

square inch to square myriametre