Use this tool to determine a child's chronological age, rounded to the nearest month, and know confidently which Screens III age-specific Data Sheet to use for the child's BRIGANCE screening.

To use the Rounded Chronological Age Calculator offline, save it to your desktop.

If you're using a Mac: Open the age calculator in your browser and press the keys "⌘ + S" together. You can now open the age calculator from your desktop and use it when you're offline.

If you're using a PC: Open the age calculator in your browser and press the keys "Ctrl + S" together. You can now open the age calculator from your desktop and use it when you're offline.