Age Calculator
Find your exact age in years, months and days — plus your next birthday.
How it’s calculatedYour age is counted in whole calendar years, then months, then days, the same way you would count on a calendar. For a 29 February birthday, the birthday falls on 28 February in non-leap years.
How to calculate your age
- Enter your date of birthPick the day you were born.
- Choose the dateLeave today or pick any other date to calculate age on that day.
- Read the resultSee years, months, days and your next birthday.
About the Age Calculator
Useful for forms, exam and job eligibility, visa applications and birthdays.
- Exact age in years, months and days
- Next birthday countdown
- Works for any date, past or future
Age Calculator FAQ
How is age calculated?
We count full years, then remaining months, then remaining days between your birth date and the chosen date.
Can I calculate age on a future date?
Yes, change the “age on” date to any day.
Does it handle leap years?
Yes, real calendar dates are used, including 29 February.
Is my birth date stored?
No, everything is calculated in your browser.