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How do I figure out how many mega pixels a photo is?
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Apr 12, 2018 17:21:50   #
tita1948 Loc: North Idaho
 
I hate to bother you but if you have the time please answer. I have a picture that in my meta data it says 1584x3456. How do I transform this into mega pixels?
Thank you.

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Apr 12, 2018 17:24:47   #
BassmanBruce Loc: Middle of the Mitten
 
Just multiply those two numbers together. I need a calculator.1583456

Edit: well, we can’t both be right. Lol!

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Apr 12, 2018 17:25:42   #
Longshadow Loc: Audubon, PA, United States
 
Multiply.
5,474,304

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Apr 12, 2018 17:28:57   #
aphelps Loc: Central Ohio
 
tita1948 wrote:
I hate to bother you but if you have the time please answer. I have a picture that in my meta data it says 1584x3456. How do I transform this into mega pixels?
Thank you.


Multiply the two numbers and divide the result by one million (move decimal 6 places to the left). This will then be in mega pixels.

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Apr 12, 2018 17:30:33   #
tita1948 Loc: North Idaho
 
ok I came up with 547430400. What does the equate to?

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Apr 12, 2018 17:31:37   #
OddJobber Loc: Portland, OR
 
1584 X 3456 = 5,474,304 pixels.
Divide by one million = 5.47 megapixels.

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Apr 12, 2018 17:34:09   #
tita1948 Loc: North Idaho
 
5.47 mg right?

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Apr 12, 2018 17:34:31   #
Just Fred Loc: Darwin's Waiting Room
 
I appreciate the answers to this, but doesn't pixel size have something to do with this?

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Apr 12, 2018 17:34:34   #
tita1948 Loc: North Idaho
 
Thank you.

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Apr 12, 2018 17:35:15   #
BassmanBruce Loc: Middle of the Mitten
 
OddJobber wrote:
1584 X 3456 = 5,474,304 pixels.
Divide by one million = 5.47 megapixels.


This is correct, my earlier answer is not.

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Apr 12, 2018 17:36:14   #
Longshadow Loc: Audubon, PA, United States
 
Just Fred wrote:
I appreciate the answers to this, but doesn't pixel size have something to do with this?

A pixel is a pixel, whether large or small.

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Apr 12, 2018 17:42:30   #
CHG_CANON Loc: the Windy City
 
tita1948 wrote:
5.47 mg right?


Now that you know the megapixel count, how does this information help? There's probably another reason / question that prompted this query about the dimensions 1584x3456. Can we help with the 'other' question?

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Apr 12, 2018 17:54:42   #
RichardTaylor Loc: Sydney, Australia
 
Just Fred wrote:
I appreciate the answers to this, but doesn't pixel size have something to do with this?


No.

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Apr 12, 2018 18:14:23   #
tita1948 Loc: North Idaho
 
Yes it dies. I have been ask to sell a picture but it has to be a good size. I'm guessing at least 5 or 7 mega pixel. When I looked at my Meta data it said 2.85 mg. But according to the example that I was given it equate to 5.47.

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Apr 12, 2018 18:25:00   #
Linda From Maine Loc: Yakima, Washington
 
tita1948 wrote:
Yes it dies. I have been ask to sell a picture but it has to be a good size. I'm guessing at least 5 or 7 mega pixel. When I looked at my Meta data it said 2.85 mg. But according to the example that I was given it equate to 5.47.


The 2.85 you see might be megabytes. Megabytes (mb) vary with content and refer to the file size, same as any computer file (how much "stuff' is in it, so to speak). Megapixels refer to width and height.

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