I want to express a variable that has "square root units", i.e. 0.8e-3 m/sec^1.5.

Example usage of units

I have tried to use the SI package:


However, this does not work. It only works in cases like this:


Is there a good way of expressing "square root units" or similar? Or is it necessary to use a workaround like:


Arbitrary powers can be given using \tothe:


\SI[per-mode = symbol]{0.87e-5}{\metre\per\second\tothe{1.5}}


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  • 4
    I took a liberty and add image produced by your code (+1). – Zarko Sep 21 '19 at 8:10

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