by "Kerry C" <k.cooper@[EMAIL PROTECTED]
>
Sep 7, 2007 at 09:33 PM
Divide by sq.root 2 = 1.414
Same as multiply by 0.707
..
"80/20" <SJW.SAW@[EMAIL PROTECTED]
> wrote in message
news:1186174911.947004.128240@[EMAIL PROTECTED]
>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?
>
> Cheers
> Steve
>
