Definition:Imperial/Area/Square Inch

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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.


Sources