If you create an object in CorelDraw that is 5 x 5 inches. Then add a huge outline to it, the measurement still reads 5 x 5. In Illustrator there's a preference to measure just the main object, or to include the outlines in the measurement and control handles. Does CorelDraw have the same setting?
In Object Properties tab you can select three options for outlines:
I think third option (Inside outline) results what you want.
Like This. Selection includes outlines.
Then you can "Convert outline to Object". Although, once converted, it stays converted. However, basically you can achieve the desired result.