**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 perche [Canada]

square inch to dessiatina

square inch to fall [English]

square inch to square yard

square inch to jerib

square inch to square millimetre

square inch to labor

square inch to square femtometre

square inch to carreau

square inch to square mil