Canon 750D weighs 555 g (1.22 lb / 19.58 oz) and has external dimensions of 132 x 101 x 78 mm (5.2 x 3.98 x 3.07″). Considering that the average weight of DSLR type cameras is 774g, Canon 750D is a remarkably light camera for its class. With a thickness of 78mm, it has an average thickness for its class.
Here is the front and top view image of Canon 750D with the dimensions:
In order to give you a better idea about the real life size of Canon 750D, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Canon 750D size with the camera that it replaced: Canon 700D. Canon 750D is 1mm narrower and 1mm thinner than Canon 700D but it is also 1mm taller.
Below you can find the comparison of the weight and thickness of Canon 750D with its main competitors:
Canon 750D 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.