How many A4 sheets of paper would make 1m2?

Answer 1

The A-series sizes of office paper are configured like this:

A0 has an area of 1 m2

A1 is half the size of A0, A2 is 1/2 of A1, A3 is 1/2 of A2, & A4 is 1/2 of A3.

So, 24 (or 16) sheets of A4 paper = 1 m2