Do you know we can able to do equations in SolidWorks drawing BOM?
Below article we have attached a steps to do an equation in BOM. Kindly look at it.
3. Select the newly created column and click equation.
4. After that you can use column items or custom properties to be used as a values in Equation and you can add able to add functions, operators for your equation. Kindly look below screenshot.
5. The Equation Symbol will be shown in the column header to confirm that the column is driven by an equation