4 ms·
The A0 being 1m^2 is important too, if you're ordering paper by area?
by willvarfar 12y ago
The A0 being 1m^2 is important too, if you're ordering paper by area?
- talideon 12y agoYeah, but that's really a different argument. Once you get the ratio argument, you get the utility of the system.
- RVuRnvbM2e 12y agoThe A0 being 1m^2 is important because paper weight is given in gsm - grams per square metre. Thus when calculating postage weight by counting the number of sheets you can calculate that, for example, the weight of one A4 sheet is 1/16 the gsm of the paper - 1/(2^4).
- michaelhoffman 12y agoOppose the totally insane system used along with U.S. paper sizes: http://en.wikipedia.org/wiki/Paper_density#Basis_weight http://en.wikipedia.org/wiki/Paper_density#Basis_weight In order to figure out the actual mass of a sheet of U.S. paper from the reported basis weight, you must know how many sheets of paper were in the "basis ream" and what dimensions they were. The basis ream sheet dimensions may have nothing to do with your final sheet of paper, and the number of sheets varies too.