What is Age Calculator?
An age calculator works out how much time has passed between a date of birth and another date, usually today. Most people know their age in whole years, but forms, exams, insurance quotes and visa applications often ask for something more precise, such as the exact number of years, months and days. This free age calculator gives you that breakdown in one step. It also shows how many days you have been alive, which weekday you were born on and how long remains until your next birthday, so it is just as handy for curiosity and celebrations as for paperwork.
How Does It Work?
When you choose a date of birth, Vebliy compares it with the second date, which starts as today. It counts the complete years first, then the leftover complete months, and finally the remaining days, borrowing from the previous month when the day of the month has not yet been reached. Total days are found by counting the calendar days between the two dates, so leap years are handled correctly. The next birthday is the first anniversary that has not passed. All of this runs inside your browser using simple date arithmetic. Your date of birth is never uploaded, stored or shared with anyone.
How to Use It
- Click the Date of birth field and pick your birth date from the calendar, or type it in.
- Read your exact age in years, months and days in the highlighted box.
- Check the Time lived card for total days, weeks, months and hours.
- See the Next birthday card for the number of days to go and the weekday it falls on.
- To calculate age on another day, change Age at the date of, for example the closing date of an exam form.
Key Features
- Exact age in years, months and days with correct month borrowing
- Total days, weeks, months and hours lived
- Countdown to your next birthday, including the weekday and the age you will turn
- The day of the week you were born
- An editable comparison date for forms, eligibility checks and cut-off dates
- Entirely private, with no sign-up and nothing sent to a server
Frequently Asked Questions
How is my exact age calculated?
The calculator counts full years from your birth date, then full months, then the remaining days. If the day of the month has not been reached yet, it borrows the length of the previous month, which is how age is normally counted on official forms.
Can I find my age on a past or future date?
Yes. Change the Age at the date of field to any date after your birth. This is useful for checking eligibility on the last date of an application, or for seeing how old someone will be at a future event.
What happens if I was born on 29 February?
Your age is counted normally, and the next birthday in a year without a 29 February is shown as 1 March. The total number of days lived always includes every leap day that has passed.
Why does the calculator say my birth date is after the comparison date?
Age cannot be negative, so the birth date must come on or before the date you are measuring to. Pick an earlier birth date or move the comparison date forward.
Is my date of birth stored anywhere?
No. The calculation happens on your device and nothing is sent to a server or saved. Close or refresh the page and the dates are gone.