How to use
Enter birth year, month and day.
Example
The calculator reports your current calendar age.
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Date & Time
Age Calculator
Calculate exact age from date of birth.
YOUR RESULTEnter your values and calculate.
Frequently asked questions
How is exact age calculated?
The calculator finds the difference between your date of birth and today's date, accounting for varying month lengths and leap years to give the precise number of years, months, and days.
Why does my age in days look different from a rough estimate?
A rough estimate (age in years times 365) does not account for leap years, which add roughly one extra day every four years, so the exact day count will differ slightly.
Results provided by this calculator are estimates for general informational purposes only.