Completed age
Your age in completed years changes on your birthday, which is commonly used for eligibility rules.
Everyday Tools · Dates
Age Calculator
Find your exact age in years, months and days from your date of birth — plus total days lived and a countdown to your next birthday. Also handy for exam and eligibility age cut-offs.
Your dates
Age
Ledger
Ledger
Entry No. 01 — Exact age
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years, months, days
Total days lived—
Total months lived—
Total weeks lived—
Next birthday in—
Day you were born—
Accurate date differences
Why age is not simply days divided by 365
Calendar age must account for months of different lengths and leap years. Dividing the number of elapsed days by 365 can produce an approximate decimal age, but it does not reliably give the exact completed years, months and days used on applications and official forms.
Age on a past date
Change the target date to check how old someone was on an examination, policy or historical date.
Next birthday
The countdown helps with planning milestones while respecting the actual calendar month lengths.
For legal, school, insurance or government purposes, always enter the date exactly as recorded on the relevant identity or birth document.
How it works
How to use the age calculator
Enter your date of birth
Pick the exact date from the calendar field.
Set the "as of" date
Leave it as today for your current age, or change it to check your age on any exam, scheme or eligibility cut‑off date.
Read your results
See your exact age in years, months and days, along with total days lived and a countdown to your next birthday.
Understanding age calculation
Why exact age matters
Most people know their age only in round years, but many official processes in India — government exam eligibility (UPSC, SSC, state PSCs), passport applications, school admissions and insurance policies — require your exact age as of a specific cut‑off date, not just your age today. A single day can change your eligibility bracket.
This calculator finds the precise difference between two calendar dates, correctly carrying over month and year boundaries and accounting for leap years, so the years/months/days figure you get matches how age is computed on official forms.
Common uses for an age calculator
- Checking eligibility for government exams with a fixed age cut‑off date.
- Confirming a child's age for school admission cut‑offs.
- Working out age for insurance premium calculations.
- Simply satisfying curiosity — total days or weeks lived is a fun number to know.
FAQ
Frequently asked questions
How do I calculate my exact age?
Enter your date of birth and the date to calculate your age as of. The calculator returns your age in complete years, months and days.
Can I calculate my age as of a future or past date?
Yes — this helps check eligibility for exams or schemes that specify an age as of a fixed cut-off date, such as 1st July of the exam year.
Does it handle leap years correctly?
Yes, the calculator works on real calendar dates, so leap years and 29th February birthdays are handled automatically.
What's the difference between age in years and total days lived?
Age in years counts only completed years. Total days lived is the exact count of calendar days since your date of birth, including every leap day in between.
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