iPad Tech Specs – Dimensions

by patrickj on February 8, 2010

in Tech Specs,iPad Basics

dimensions

I thought as part of our iPad Basics coverage, it would be useful to lay out the tech specs of the device.  You can of course go to this Apple page to review them all, but I figured it might be useful to share them in more bit-sized chunks, as there are a lot of them.

So here are the dimensions details for the iPad:

Size and weight

Height: 9.56 inches (242.8 mm)
Width: 7.47 inches (189.7 mm)
Depth: 0.5 inch (13.4 mm)
Weight: 1.5 pounds (0.68 kg) Wi-Fi model;
           1.6 pounds (0.73 kg) Wi-Fi + 3G model

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{ 6 comments… read them below or add one }

1 ianf February 8, 2010 at 7:49 pm

I realize you copied it off Apple's specs page, so it's their bailiwick, but it only goes to prove that the mighty Californian company has yet to come to terms with the metric system. No European in his right mind would ever express those measures in terms of fractional millimeters – over 10 mm size we use "centimeters." And weight of that magnitude is best stated in grams (1000g = 1kg).

Here are the colloquially-correct metric values:

Height: 9.56 inches (24.3 cm)
Width: 7.47 inches (19 cm = 189.7 mm rounded off to)
Depth: 0.5 inch (1.3 cm – or 1.34 cm if one wanted to be anal; observe that 0.5 inch = 12.7 mm or 1.27 cm otherwise)
Weight: 1.5 pounds (680 g) Wi-Fi model;
1.6 pounds (730 g) Wi-Fi + 3G model

Reply

2 patrickj February 8, 2010 at 8:20 pm

Thanks for the useful translations. I have to admit that I never fully got to grip with the metric system either, even after a dozen years in the UK :)

Reply

3 ianf February 9, 2010 at 8:54 am

Semantic corrections: the 63:37% figure above is
of screen-to-bezel ratio; the screen is the same
width as an A5 paper sheet, while being 1 cm
shorter (envelope for that format is C5, not A5).

Other than that, there is an interesting difference
vs. pixel- and physical screen sizes of iPhone/ iPod
Touch. Both handhelds sport a screen of 480×320
pixels, but of higher density, 163 dpi to iPad's 132.
iPhone's screen is 5.78 square inches with 153600
pixels. When compared to iPad's own [1024 x 768=]
786432 pixels over 45 square inches we find that,

while pixelwise iPad's screen is [786432 / 153600=]
5.12 times larger, in physical terms it is [45 / 5.78=]
7.8, or ALMOST 8 TIMES LARGER than iPhone's own.

So imagine 8 Touch-screens [sans bezel] in portrait
mode arranged in two rows of four, then the entire
assembly shifted 90 degrees to portrait again – and
there you have it, a mental picture of how big the
iPad's screen will feel in April [rhyme coincidential].

As an aside, were iPad's 1024×768 px screen of the
same density as the iPhone, 163 dpi, it would either
have to shrink in physical size to [[1024/163=] 6.28
x [768/163=] 4.71]= 29.6 square inches; 191 cm^2
[vs. current 45 sq. in./ 291 cm^2], –OR–, if present
[7.75 in. x 5.81 in.]= 45 sq. in. screen size be kept,
increase pixel count to [5.81*163=] 947 px wide and
[7.75*163=] 1263 px high; 1196336 px square total.

This would give a pixel count that's either 152%
bigger, or 66% smaller depending on whether present
figure [786432] be treated as default or not.

How's that for a unholy-Kabbalistic approach to iPad's
numerology? ;-) )

Reply

4 patrickj February 9, 2010 at 10:37 pm

Ahhh, good I think :)

Reply

5 patrickj February 8, 2010 at 9:45 pm

I remember a TV series which was called 'Bergerac' I think, which was set in the Channel Islands. Still can't think in stones, always in pounds and so on. Thanks for the tips, but I'll stick with inches, yards, and all the yankee stuff for now. :)

Reply

6 patrickj February 9, 2010 at 12:23 am

Apple's page does actually list the display as 9.7 inches diagonal, and I believe that's also long been the standard for stating computer screen sizes – as in when someone says they have a 15 inch monitor, that's a diagonal measurement as well.

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