How I would change the model in MM to inches?

I have a model in inches and I would to insert models made in MM.

3 Answers

Pro/ENGINEER WILDFIRE R5.0
File/Properties/Units/change

In Wildfire 3 it is Edit , Setup , Units , select correct option you need.

how can i change the desire size?
for example 6" inch into 22.5mm?
kindly guide me