Age Calculator
Pick your date of birth.
Find your exact age in years, months, and days from your date of birth to today (or any date). The tool also shows your total age in days.
- Exact age in years, months, and days.
- Total number of days lived.
- Calculate age at any date, not just today.
- Runs entirely in your browser.
Frequently asked questions
How is age calculated?
By comparing your birth date to the target date and accounting for months of different lengths and leap years.
Can I calculate age at a past or future date?
Yes — set the 'Age at date' field to any date.
Is my birth date stored?
No, the calculation happens locally and nothing is saved.