Bitmap resolution

The resolution of a bitmap image is the width and height of the image. More Specifically, it is the number of pixels in the image.

For example, if an image is 300 pixels wide and 200 pixels in height, then we might say it has a resolution of 300x200, or possibly 60,000 pixels.

Calculating resolution

If we know the width and the height of an image, we can calculate its resolution using: