**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 square foot

square inch to square exametre

square inch to ping

square inch to square dekametre

square inch to square nanometre

square inch to square perche

square inch to square Paris foot

square inch to square city block [South, West U.S.]

square inch to square league [nautical]

square inch to carreau