Most of these don't surprise me. For 99% just take the listed hight, subtract 2" (1.5" for shoes, 0.5" for rounding up) and you are at their real height.
Well, I believe he measured 6'1.75" at the pre-drafy camp so it should be expected. Indicators seem to point that they are also rounding up and no exact measurements so would likely be listed at 6'2".
So, do the Blazers have some strange technical difficulties that are preventing them from getting height measurements done?