I wont have a reason to go to the Apple Store or Best Buy for another few weeks and need a way to show my gf the size of the screen. Does anyone have exact horizontal and veritcal measurements for the screen?
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Exact measurements for 27' iMac?
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ftaok
macrumors 604
Are you talking about the dimension of the whole unit, or just the screen? The dimensions of the iMac are 25.6"W x 20.4"H x 8.15"D.
The screen dimensions require a little math. If you take that the screen's diagonal is exactly 27" ... you get 23.5" x 13.2".
It's not a lazy question because I just worded it wrong in the thread title. I was actually looking for the dimensions of the physical screen. ftaok how did you get that number? Is that considering it is at 16:9 ratio?
ftaok
macrumors 604
Yeah, it's just math. We know that it's 16:9, so the formula is a^2 + b^2 = c^2.
avihappy
macrumors 6502
let
16x= width
9x= height
to solve for x, we use
(16x)^2+(9x)^2=27^2
we simplify it
256(x)^2+81(x)^2=729
337(x)^2=729
sqrt(337)x=27
x=27/sqrt(337)
x=about 1.47078
so we go back to the original width and height formulas with x
16x= width
9x= height
and plug in x
16(1.47078)=23.53248 width
9(1.47078)=13.23702 height
and that's it! about 23.53248in width x 13.23702in height. High school algebra is useful!
Here is an app that I made that does the above calculations (leopard required) as well as calculate DPI: http://dl.getdropbox.com/u/75414/Display Calculator.zip