JustilityAge calculator
Calculate calendar age as of a selected date.
Processed on your device. Your files are never uploaded by Justility.
How privacy worksHow it works
Enter values and units or dates, then calculate.
Supported formats
Numeric values and Gregorian calendar dates.
Good to know
February 29 anniversaries use February 28 in non-leap years. This is a calendar calculation, not an eligibility determination.
Using age calculator
Enter values and units or dates, then calculate.
February 29 anniversaries use February 28 in non-leap years. This is a calendar calculation, not an eligibility determination.
Common questions
Are my inputs uploaded?
Justility processes this tool’s inputs locally and does not send them to a processing server. Public application assets are downloaded separately.
Can I use this without an internet connection?
Yes, after you prepare the relevant tool group from Offline help and the browser retains their assets. Installation is optional. All processing dependencies are bundled locally.