Olympus E-M10 IV weighs 383 g (0.84 lb / 13.51 oz)
and has external dimensions of 122 x 84 x 49 mm (4.8 x 3.31 x 1.93″)
. Considering that the average weight of Mirrorless type cameras is 456g, Olympus E-M10 IV is a remarkably light camera for its class. With a thickness of 49mm, it has an average thickness for its class.
Here is the front and top view image of Olympus E-M10 IV with the dimensions:
In order to give you a better idea about the real life size of Olympus E-M10 IV, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Olympus E-M10 IV size with the camera that it replaced: Olympus E-M10 III. Olympus E-M10 IV has the same height and width with Olympus E-M10 III. On the other hand, with a thickness of 49mm, it is 1mm thinner.
Below you can find the comparison of the weight and thickness of Olympus E-M10 IV with its main competitors:
Olympus E-M10 IV Size Compared to Main Competitors
Olympus E-M10 IV 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.