Determine Size of Paintings

I need someone to assign sizes to 650 paintings. The person will do this by comparing the size of the painting to an existing painting on my website, canvas paintings dot com. So for example, if there is a 3-piece painting in an image, the person would compare to this: [login to view URL] The type in an excel: 48" Wide x 48" Tall For all single piece paintings the person just needs to put next to the painting: H-Horizontal, V-Vertical, or S-Square as these paintings will have multiple options.