Age Calculator

Age is the difference between the target date (e.g. today) and your date of birth, in years, months, and days. Leap years and different month lengths are accounted for.

Yes. Enter any target date to see your age on that date. Useful for eligibility (e.g. age on a specific deadline) or for past dates.

Months have 28–31 days. The calculator uses the actual calendar, so the result is exact in years, months, and days.

For most purposes (e.g. forms, eligibility), age is calculated as completed years. This tool gives exact years, months, and days for clarity.