The standard paper size in Australia is A4. The only countries in the whole world which use letter size as a standard are Canada, Mexico and the USA
A4 paper size is 8.3in × 11.7in.
European size paper
A4 paper is exactly half the size of A3, and they both have the same aspect ratio. So A4 --> A3 is an enlargement. Most photocopiers use A4 as standard. You need a larger photocopier to copy onto A3. The photocopier will usually offer A4 --> A3 as an option.
A4 paper measures 8.27 x 11.69 inches.
Half of A4 is A5.
1mm
Yes
It's a paper size, the most used in Europe and pretty much the rest of the world, except for Canada, The US and Mexico in those three countries the use the letter size paper which is almsot the same size as A4.
Two full A4 size papers
The size of the paper should be an A4 paper.
The measurements of a size A4 paper are 11.7 x 8.3 inches or 297 x 210 millimeters. It is just a little bigger than the standard letter size of paper.