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 Casio EX-FC100 and Nikon S31 side-by-side from the front, back and top in their relative dimensions. Casio EX-FC100 has external dimensions of 100 x 59 x 23 mm (3.94 x 2.32 x 0.91″) and weighs 156 g (0.34 lb / 5.50 oz) (including batteries). Nikon S31 has external dimensions of 105 x 65 x 42 mm (4.13 x 2.56 x 1.65″) and weighs 185 g (0.41 lb / 6.53 oz) (including batteries).
Below you can see the front view size comparison of Casio EX-FC100 and Nikon S31. Casio EX-FC100 is clearly the smaller of the two cameras. Its body is 5mm narrower, 6mm shorter and 19mm thinner than Nikon S31.
Here is the back view size comparison of Casio EX-FC100 and Nikon S31.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Casio EX-FC100 is significantly lighter (29g ) than the Nikon S31 which may become a big advantage especially on long walking trips.
LCD Screen Size and Features
Casio EX-FC100 and Nikon S31's LCD screens has the same diagonal size of 2.7".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.