Nikon D5500 weighs
420 g (0.93 lb / 14.82 oz) and has external dimensions of
124 x 97 x 70 mm (4.88 x 3.82 x 2.76″). Considering that the average weight of DSLR type cameras is 773g, Nikon D5500 is a remarkably light camera for its class. With a thickness of 70mm, it has an average thickness for its class.
Weight Comparison
DSLR Cameras
Thickness Comparison
DSLR Cameras
Here is the front and top view image of Nikon D5500 with the dimensions:
In order to give you a better idea about the real life size of Nikon D5500, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Nikon D5500 size with the camera that it replaced: Nikon D5300 (Check D5500 vs D5300). Nikon D5500 is clearly the smaller of the two cameras. Its body is 1mm narrower, 1mm shorter and 6mm thinner than Nikon D5300.
Below you can find the comparison of the weight and thickness of Nikon D5500 with its main competitors:
Nikon D5500 Size Compared to Main Competitors
Weather Sealing
Nikon D5500 doesn't have any environmental sealings on its body so you got to be extra careful to protect it against water and dust. If you shoot under these conditions very often, consider checking Top DSLR Cameras with Weather Sealing page.