High Quality Content by WIKIPEDIA articles! A yardstick is a tool used to physically measure lengths of up to a yard (0.9144 metres or three feet) high. Most yardsticks are flat wooden boards with markings at regular intervals. In countries in which the metric system was adopted to replace the Imperial system (such as Canada), yardsticks bearing imperial units markings on one side (three feet with inch and fractional inch) and metric units on the other (one metre with centimetre and millimetre) are common, and are sometimes referred to as "metre-sticks". Yardsticks may be used as pointing devices for posters and projections. The term "yardstick" is also used metaphorically in reference to anything which serves as a test or standard of measurement, comparison or judgment (also see benchmarking and litmus test).

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