About the Age Calculator
Enter a date of birth to get the exact age today, or set another date to find the age on that day (useful for forms, school entry and eligibility rules).
How to use the Age Calculator
- Enter your numbers (or keep the example).
- The result updates instantly as you type.
- Copy the result, or copy the link: it keeps your numbers so you can share them.
How it's calculated
Years, months and days are counted on the calendar, borrowing days from the previous month when needed, so leap years and month lengths are handled exactly.
Features
- Instant resultsUpdates as you type.
- Shareable linkThe URL keeps your inputs.
- Reference tableCommon values on this page.
- Works offlineRuns in your browser.
Frequently asked questions
Is the Age Calculator free?
Yes, the Age Calculator is free with no sign-up, no limits and no ads covering the result.
Does it work on my phone?
Yes. It works in any modern browser on phones, tablets and computers, and keeps working offline once the page has loaded.
Last updated · Processing happens locally in your browser.