Definition:Imperial/Length/Yard

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Definition

The yard is an imperial unit of length.

\(\displaystyle \) \(\) \(\displaystyle 1\) yard
\(\displaystyle \) \(=\) \(\displaystyle 3\) feet
\(\displaystyle \) \(=\) \(\displaystyle 36\) inches
\(\displaystyle \) \(=\) \(\displaystyle 91 \cdot 44\) centimetres
\(\displaystyle \) \(=\) \(\displaystyle 0 \cdotp 9144\) metres


Historical Note

The yard was originally defined in terms of a bronze standard.

It was redefined in $1963$ in the UK Weights and Measures Act as exactly $0 \cdotp 9144$ metres.


Sources