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There isn't exactly much of a relationship between the megapixel and the megabyte. A megapixel is a million pixels, and a megabyte is a million bytes. If you are talking in terms of a digital camera, its considered standard that a pixel is 3 bytes, one byte for each color (red, green, blue). But, almost all digital cameras output in JPEG format, which compresses the images even further. There is no formula to determine size, because each image can be compressed different amounts.

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14y ago
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13y ago

They have nothing in common, except that they are technology related.

Megapixels refer to a resolution on a screen or camera. The higher the megapixel count, the better the display.

Gigabytes refer to the storage of the hard drive (or other storage medium.)

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12y ago

The amount of megapixels a camera has determines how big and clear the picture will turn out. For example, if you want a 8" by 10" print you would need a 6-megapixel camera & up. The larger the megapixel the better the picture.

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Q: What is the difference in digital camera megapixels?
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