Nikon D40X weighs 522 g (1.15 lb / 18.41 oz) and has external dimensions of 124 x 94 x 64 mm (4.88 x 3.7 x 2.52″). Considering that the average weight of DSLR type cameras is 773g, Nikon D40X is a remarkably light camera for its class. Even better, with a thickness of only 64mm, it is also quite small, 12mm thinner than the average of its class.
Here is the front and top view image of Nikon D40X with the dimensions:
In order to give you a better idea about the real life size of Nikon D40X, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Nikon D40X size with the camera that it replaced: Nikon D50. Nikon D40X is clearly the smaller of the two cameras. Its body is 9mm narrower, 8mm shorter and 12mm thinner than Nikon D50.
Below you can find the comparison of the weight and thickness of Nikon D40X with its main competitors:
Nikon D40X 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.