Canon SX170 IS weighs 251 g (0.55 lb / 8.85 oz) and has external dimensions of 108 x 71 x 44 mm (4.25 x 2.8 x 1.73″). Considering that the average weight of Compact type cameras is 188g, Canon SX170 IS is a significantly heavy camera for its class. With a thickness of 44mm, it is not small either, 15mm thicker than the average of its class.
Here is the front and top view image of Canon SX170 IS with the dimensions:
In order to give you a better idea about the real life size of Canon SX170 IS, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Canon SX170 IS size with the camera that it replaced: Canon SX160 IS.
Below you can find the comparison of the weight and thickness of Canon SX170 IS with its main competitors:
Canon SX170 IS Size Compared to Main Competitors
Canon SX170 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.