A4 is an indicator of size, typically for paper, not of weight. Weight will vary by the material or paper's thickness.
A4 paper size is 8.3in × 11.7in.
Paper is measured is grams per meter square. A standard sheet of A4 size is 80 grams per metre square. Thus a standard A4 sheet weighs 5g. The 'heavier' the paper the thicker it is.
European size paper
A4 paper measures 8.27 x 11.69 inches.
Half of A4 is A5.
Yes
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.
No, Australia is one of the few countries in the world that use A3 as their standard format size. Even if it does, A3 and A4 are all part of the A series paper sizes defined by ISO 216.
A3.