If you're wondering how big is 8x10, this photo size comes in at 8"x10", which is a great option for capturing special moments on your wedding day. Visuals Clipping says it's ideal for wedding portraits, couple photos, and family photos because of the larger print area that it offers. When taking the photo, take the necessary time before printing to confirm the resolution and composition of the image to guarantee that there is no loss of detail that occurs during cropping and that the final product will be sharp and detail-rich.