Below you can see the front view size comparison of Nikon D7200 and Pentax K-1 II. Nikon D7200 is clearly the smaller of the two cameras. Its body is 1mm narrower, 3mm shorter and 10mm thinner than Pentax K-1 II.
Nikon D7200 vs Pentax K-1 II - Front View
Nikon D7200 vs Pentax K-1 II - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
Select Two Cameras for Size Comparison