Age Calculator
Enter your date of birth to find your exact age in years, months, and days, plus a countdown to your next birthday.
How to Use
- Select your date of birth using the date picker.
- Optionally, set a specific date to calculate your age as of that date (defaults to today).
- Click "Calculate Age" to see your exact age broken down into years, months, and days.
- View additional details including total days lived and a countdown to your next birthday.
Frequently Asked Questions
How is the exact age calculated?
The calculator computes the difference between your date of birth and the target date by counting complete years, then complete months, then remaining days. It accounts for varying month lengths and leap years.
Does it account for leap years?
Yes. The calculator correctly handles leap years. If you were born on February 29, your birthday is recognized on that date in leap years, and the countdown adjusts accordingly.
Can I calculate age as of a past or future date?
Yes. Use the "Calculate Age As Of" field to enter any date. This lets you find your age on a specific historical date or determine how old you will be on a future date.
Is my date of birth stored anywhere?
No. All calculations happen entirely in your browser. No data is sent to any server or stored anywhere.