Date and time
Age Calculator
Calculate age from a birth date and reference date, including the next birthday and days remaining.
Result
- Age
- 26years old
- Next birthday
- 2027-01-01
- Days until next birthday
- 236days
- Age on that day
- 27years old
Features of the Age Calculator
Enter a birth date and reference date to see the age in full years, the next birthday, and how many days remain until it.
Open detailed notes
Age in full years
Age in full years starts at 0 on the birth date and increases by 1 on each birthday. This is the age style commonly used for forms, identity checks, and profiles.
What the reference date means
The reference date is the date you want to calculate age for. It can be today, an application date, an exam date, or any future or past date.
Common uses
- Check the current age from a birth date.
- Check age on a specific application date or event date.
- See how many days remain until the next birthday.
Frequently asked questions
What is the reference date used for?
It is the date you want to calculate age for. You can use today, an application date, an exam date, or any other date.
How are February 29 birthdays handled?
In non-leap years, February 28 is treated as the birthday for this calculation.
Is my birth date saved?
No. The calculation runs locally in your browser and the input is not sent to a server.