How age is calculated
We count the full years since your birth, then the remaining months and days up to the chosen date (today by default).
What you get
- Age in years, months and days.
- Total days lived and full weeks.
- Days until your next birthday.
Frequently asked questions
How do I calculate my age in days?
Enter your birth date and see the days lived.
Can I calculate age at another date?
Yes, with the Calculate at date field.
Does it count leap years?
Yes.
Is it free?
Yes.