Age Calculator
Find your exact age in years, months, and days from any date of birth.
Your age
Pick a date of birth
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How age is calculated
This tool counts full years, months, and days between your date of birth and a reference date (defaulting to today), accounting for varying month lengths and leap years. It also shows your total days lived and a countdown to your next birthday.
Frequently asked questions
- Can I calculate someone's age on a future or past date?
- Yes, change the "Age as of" field to any date to see the age on that specific day.
- Does this account for leap years?
- Yes, the calculation is based on actual calendar dates, so leap years are automatically handled correctly.