Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Nikon A1000 and Canon G16 side-by-side from the front, back and top in their relative dimensions. Nikon A1000 has external dimensions of 114 x 72 x 41 mm (4.49 x 2.83 x 1.61″) and weighs 330 g (0.73 lb / 11.64 oz) (including batteries). Canon G16 has external dimensions of 109 x 76 x 40 mm (4.29 x 2.99 x 1.57″) and weighs 356 g (0.78 lb / 12.56 oz) (including batteries).
Below you can see the front view size comparison of Nikon A1000 and Canon G16. Canon G16 is 5mm narrower and 1mm thinner than Nikon A1000 but it is also 4mm taller.
Here is the back view size comparison of Nikon A1000 and Canon G16.
Now lets look at the top view comparison of Nikon A1000 and Canon G16.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon A1000 is 26g lighter than the Canon G16 but we don't think this will make a significant difference.
Unfortunately neither Nikon Coolpix A1000 nor Canon PowerShot G16 provides any type of weather sealing in their body, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Nikon A1000 and Canon G16's LCD screens has the same diagonal size of 3".
On the other hand, Nikon A1000 features a Tilting screen
where you can change the angle of the screen to make it easier to shoot from waist or over the head levels whereas the Canon G16 has a fixed type screen which provides less flexibility in shooting positions compared to A1000.