How Many Pictures Does a 1 GB Memory Card Hold?

Depending on the number of megapixels each picture has, a one gigabyte memory card may store between 13 and 715 images at once. In order to facilitate storage, compressed images can fit more onto a card than raw images. For instance, assuming every image has a resolution of four megapixels, a one gigabyte memory card can store 715 compressed image files. The same capacity card can store 13 22 megapixel raw photos.

A one-gigabyte Kodak memory card can store 45 16-megapixel photos and 260 six-megapixel photos. Up to 71 four megapixel raw images can be found on Sandisk cards. The same storage space may compress up to 715 four-megapixel images.

The size of each saved file determines how much memory is used. 1.2 megabytes of RAM are needed for a compressed four-megapixel image, compared to 12 megabytes for a raw image of the same resolution. Greater images may be able to be saved on a disc if a detachable drive has more memory.

On digital camera specifications, the term “megapixel” refers to the resolution of the image. A pixel is the smallest individual component of a photograph, and one megapixel is equal to one million pixels. The resolution of a digital image with 10 megapixels is higher than one with 5 megapixels.

Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.


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