›› 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

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

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›› 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 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