Canon T6i 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 773g, Canon T6i 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 T6i with the dimensions:
In order to give you a better idea about the real life size of Canon T6i, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Canon T6i size with the camera that it replaced: Canon 700D. Canon T6i 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 T6i with its main competitors:
Canon T6i 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.