Heightmap scaling


I am currently working on a project where I am importing 16-bit PNG heightmap images into Unreal Engine for creating landscapes. So far it seems to be working out pretty well, but I am unsure about the scale of everything.

So basically what I want to know how UE is using the image I am importing to create the landscape. What information is it getting from the image to determine the scale of how large the landscape should be? More importantly, where can I find this information on how UE is doing the scaling in the documentation?

Also, if UE is getting some metadata from the images I am importing that tells it about the scale, is it possible for me to view that metadata? That would be nice to know because then I could more clearly determine the size of landscape that UE thinks the image should be.

Any information would be greatly appreciated, but I am more concerned with where to find these answers in UE’s documentation.