# Definition:Imperial/Area/Square Inch

(Redirected from Definition:Square Inch)

## Definition

The square inch is an imperial unit of area.

One square inch is equal to a square of side $1$ inch in length.

 $\ds$  $\ds 1$ square inch $\ds$ $=$ $\ds 6 \cdotp 4516 = 2 \cdotp 54^2$ square centimetres

The definition is exact.