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Your age
Total days lived–
Next birthday in–
How this calculator works
The calculator subtracts the date of birth from today's date, borrowing days and months where needed, so the result matches how people count age in everyday life.
Frequently asked questions
Does it handle leap years?
Yes. It uses real calendar dates, so leap days are counted correctly.
Can I use it for any date?
Yes. It works for any past date, such as a child's age or the time since an event.