Calculator Tools
Age Calculator
Calculate exact age from a date of birth. See years, months and days instantly: free and private in your browser.
- Private when possible
- No account required
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About this tool
Age Calculator turns a birth date into a clear breakdown of years, months and days. Useful for forms, milestones and planning without doing calendar math by hand.
How to use
- Enter the date of birth.
- Optionally set an “as of” date (defaults to today).
- View age in years, months and days.
- Adjust dates to compare different reference days.
Features
- Exact year / month / day breakdown
- Optional custom reference date
- Runs entirely in your browser
- No account required
Common use cases
- Fill age fields on applications
- Check eligibility cutoffs
- Celebrate exact milestones
Supported formats
Date input
Privacy
This tool processes data in your browser. Your content is not uploaded to our servers.
Frequently asked questions
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