Calculators
Age Calculator
Find an exact age in years, months, days, hours and minutes.
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About this age calculator
This tool calculates the difference between a birth date and any target date, handling leap years and unequal month lengths properly rather than approximating a year as 365 days.
It also tells you how many days remain until the next birthday and which weekday you were born on.
How to use it
- Enter the date of birth.
- Optionally change the 'age at' date — it defaults to today.
- Read the exact age plus the breakdowns underneath.
Age Calculator — FAQ
Does it handle leap years?
Yes. The calculation walks the actual calendar, so 29 February birthdays are handled correctly.
Can I calculate age at a past or future date?
Yes, change the second date to anything you like.
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