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{{Short description|Analysis of the relationships between different physical quantities}}
{{Use dmy dates|date=April 2021}}
In [[engineering]] and [[science]], '''dimensional analysis''' is the analysis of the relationships between different [[Physical quantity|physical quantities]] by identifying their [[base quantity|base quantities]] (such as [[length]], [[mass]], [[time]], and [[electric current]]) and [[units of measurement]] (such as meters and grams) and tracking these dimensions as calculations or comparisons are performed. The term dimensional analysis is also used to refer to [[conversion of units]] from one dimensional unit to another, which can be used to evaluate scientific formulae.
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