Kindly find the attachment picture,how to add equations and Change the units........
let me know the solution.
You need to add the equation in the equation folder (Tools > Equations) and then you can link the custom property to that equation. You can also include the change factor for changing units in the same equation.
plz let me know in clear way.
Here is a simple post on adding equation as using it in custom property: Display Mass in Dual Units in SolidWorks
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