ID Card Sizes
Overview
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.
Card Sizes
CR-79
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.
- Dimensions
- 3.303" x 2.051" (83.9 mm x 51 mm)
- 3.303 x 300 dpi
- 991 pixels
- 2.051 x 300 dpi
- 615 pixels
CR-80
These cards are the same size as a credit card and are the standard most commonly used size of PVC card.
- Dimensions
- 3.375" x 2.125" (85.6 mm x 54 mm)
- 3.375 x 300 dpi
- 1012 pixels
- 2.125 x 300 dpi
- 638 pixels
CR-90
These cars are slightly larger than the standard credit card size.
- Dimensions
- 3.63" x 2.37" (92 mm x 60 mm)
- 3.63 x 300 dpi
- 1089 pixels
- 2.37 x 300 dpi
- 711 pixels
CR-100
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.
- Dimensions
- 3.88" x 2.63" (98.5 mm x 67 mm)
- 3.88 x 300 dpi
- 1164 pixels
- 2.63 x 300 dpi
- 789 pixels