On 3 Aug, 22:46, jg <j...@[EMAIL PROTECTED]
> wrote:
> 80/20 wrote:
> > I have a plan that was plotted at 1:100 on A3 paper - this was then
> > reduced down to A4 paper.
>
> > What conversion factor to I use to calculate the sizes?
>
> A3 is 420x297, A4 is 210x297. Too lazy to work out whether width or
> height reduces by more, but because the printer will probably reduce by
> more than paper size because of margins anyway, why not just measure
> between 2 points on each dwg and calculate the pro****tion?
Thanks for quick reply, can't measure dwg on A3 as I have only been
sent A4 photo copy.
As the dwg is landscape, I'm assuming papersizes are A3 420 wide x 297
high and A4 is 297 wide x 210 high giving factor of 0.71 wide and and
high.


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