What is the Dot Pitch of the New 20" Intel iMac's Display?

Hi all,
I'm asking specifically about the 20" Intel Core 2 Duo if that matters--although it may well be that all the 20" iMacs have the same displays.
I tried to get this question answered by the tech "support" people at AppleCare and in short, they were clueless (the first techie I spoke with didn't even know what "dot pitch" meant which was really disheartening). And I've searched all the specs, it is nowhere to be found. The closest I was able to get was a thread on the 20" G5 that said the dot pitch was .254 based on the resolution of 1680 x 1050 (which is of course the same resolution of the 20" Intel Core 2 Duo iMac).
Can anyone verify this for me or explain please how the dot pitch is calculated using the display's resolution (if indeed that is the way it's calculated)?
Thanks in advance for any help on this!
iMac Core 2 Duo; Mac Mini (G4)   Mac OS X (10.4.9)   iMac: 20/2.16/1G/250/SD/AP/BT; Mac Mini: 1.42 GHz, 1GB SDRAM, Combo Drive

Hi Wade!
My post wasn't meant to contradict yours, sorry if it may look that way. I'm sure that the number you posted is correct, as Apple would be using a millimeter measurement in their calculation rather than the general "20-inch" term that I entered into the calculator and into a second that turned up not far behind in the list of googled hits - only to see if they worked:)
My point was how the iMac dot pitch could be calculated, and I didn't try to determine the exact method, just passed along the existence of a calculator, figuring that surely the OP can read the googled hits to find one with more in-depth info. Based on the few definitions I read, all 20-inch displays with 1680 x 1050 resolution will have a similar dot pitch. To me, that just confirmed what we all knew anyway.
I don't think there's any significant difference in those two numbers. The importance for most users appears to be that a dot pitch of higher than 31 makes it too difficult to read newsprint online. I recall reading on here within the past two years about displays with higher resolutions being available for specialized uses, but the prices were like five figures, beyond the reach of most of us asking or answering questions on here. I guess they're less today, but I still don't want to know:)

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