Productivity
Age Calculator
Calculate exact age in years, months, days, and total days from any date of birth.
Enter a date of birth and an as-of date. See exact age and total days lived.
How to use it
- 1Enter date of birth.
- 2Adjust the as-of date if needed.
- 3Read exact age.
Real use cases
- Birthday planning.
- Age eligibility checks.
- Trivia.
Frequently asked
Does it account for leap years?
Yes. The tool uses JavaScript Date arithmetic, which respects leap years automatically.
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Want a private version for your team?
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