Canon A3100 IS weighs 165 g (0.36 lb / 5.82 oz)
and has external dimensions of 97 x 58 x 28 mm (3.82 x 2.28 x 1.1″)
. Considering that the average weight of Compact type cameras is 188g, its weight is about average in its class. With a thickness of 28mm, it also has an average thickness.
In order to give you a better idea about the real life size of Canon A3100 IS, we have added an image of how it looks next to a credit card and an AA type battery.
Below you can find the comparison of the weight and thickness of Canon A3100 IS with its main competitors:
Canon A3100 IS 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 Compact Cameras with Weather Sealing page.