When calculating the maximum printable area of a card, the printer's Dots Per Inch (DPI) must be taken into consideration. Most card printers have a maximum resolution of 300 DPI.
To calculate the resolution, simply multiply the height and width x 300 dpi.
Slightly smaller than a standard CR-80 size card, the CR-79 will typically have an adhesive back and are commonly used for printing and adhering to a clamshell proximity card. If you’re thinking of printing on CR79 size cards, make sure to check that your ID card printer is capable of them.
These cards are the same size as a credit card and are the standard most commonly used size of PVC card.
These cars are slightly larger than the standard credit card size.
These cards are 3.88" x 2.63" which is 42% larger than a standard CR-80 card, making them easier to be seen from a distance and too big to hide in a wallet. CR-100 size cards are often referred to as oversize or military-size cards.
Card printers with CR100 size card printing capability are very limited.