Enter your date of birth above to calculate your exact age.
Frequently Asked Questions
How is the exact age calculated?
The calculator counts complete years, then remaining complete months, then remaining days between the birthday and today's date. It accounts for varying month lengths and leap years.
Can I calculate someone else's age?
Yes — just enter their date of birth. You can also change the "as of" date to calculate age at any point in time.
What happens if today is my birthday?
The calculator will show 0 days until your next birthday and display a special birthday message. Happy birthday!