Nikon 1 J3 weighs
201 g (0.44 lb / 7.09 oz) and has external dimensions of
101 x 61 x 29 mm (3.98 x 2.4 x 1.14″). Considering that the average weight of Mirrorless type cameras is 475g, Nikon 1 J3 is a remarkably light camera for its class. Even better, with a thickness of only 29mm, it is also quite small, 25mm thinner than the average of its class.
Weight Comparison
Mirrorless Cameras
Thickness Comparison
Mirrorless Cameras
Here is the front and top view image of Nikon 1 J3 with the dimensions:
In order to give you a better idea about the real life size of Nikon 1 J3, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Nikon 1 J3 size with the camera that it replaced: Nikon 1 J2 (Check 1 J3 vs 1 J2). Nikon 1 J3 is 5mm narrower and 1mm thinner than Nikon 1 J3 but they have the same height of 61mm.
Below you can find the comparison of the weight and thickness of Nikon 1 J3 with its main competitors:
Nikon 1 J3 Size Compared to Main Competitors
Weather Sealing
Nikon 1 J3 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 Mirrorless Cameras with Weather Sealing page.