Age Calculator
This age calculator gives your exact age in years, months and days — as of today or any date you choose, like an exam cutoff. Everything is computed on your device, instantly, with no upload and no signup.
- Nothing you type leaves this page
- Works offline once loaded
- Free forever, no signup
Preparing Age Calculator for you…
Loading the tool into your browser. Nothing is uploaded — the work happens on your device.
{{ error }}
- Exact age {{ age.years }}y {{ age.months }}m {{ age.days }}d
- Total days lived {{ totalDaysLabel }}
- Next birthday {{ nextBday ? nextBday.days : '—' }} days
- Age (decimal) {{ ageInYearsDecimal ? ageInYearsDecimal.toFixed(2) : '—' }} yrs
| Category | Max age | Status | Margin |
|---|---|---|---|
| {{ row.label }} | {{ row.maxAgeForCat }} yrs | {{ row.eligible ? '✓ Eligible' : (row.overAge ? '✗ Over-age' : '✗ Under-age') }} | {{ row.eligible ? '—' : ('by ' + row.marginLabel) }} |
Enter a date of birth that is not in the future.
Enter your date of birth to see your exact age{{ examKey ? ' and eligibility' : '' }}.
How to use this tool
-
Enter your date of birth
Type or pick it from the date field — dd/mm/yyyy or the native date picker both work.
-
Keep today, or pick another date
Leave 'as on' set to today, or change it to any date — a joining date, an exam cutoff, a future milestone.
-
Read your exact age
Years, months and days, total days lived, and a countdown to your next birthday appear instantly as you type.
Questions people ask
How do I calculate my exact age?
Enter your date of birth and this tool counts full calendar years, months and days to today (or any date you pick), leap years included — the same way you would count on a calendar, just instant.
How do I calculate age as on a cutoff date?
Set the 'as on' date to the cutoff instead of today. The tool counts full calendar years, months and days to that exact date, which is what exam and job-eligibility forms ask for.
How old am I in days?
Enter your date of birth and read the total-days line in the result — it counts every day from your date of birth to the date you selected.
How many days until my next birthday?
The result card shows a live countdown in days to your next birthday, calculated from today by default.
Does this tool handle leap year birthdays (29 February)?
Yes. For someone born on 29 February, the calculator counts full years correctly in both leap and non-leap years, and treats 1 March as the birthday in years without a 29 February.
Is my date of birth stored or uploaded anywhere?
No. The calculation runs entirely in your browser — nothing is sent to any server, and the page keeps working even if you go offline after it loads.
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Free because it costs us nothing to run: your browser does the work, not our servers. Made by Dynamb Technologies — we build software for businesses.