Age Calculator
Enter your date of birth to calculate your exact age in years, months, days, and much more.
Calculate Your Exact Age
Your Age
Your Age in Different Units
Totals are exact, calendar-based figures — not 365-day-per-year estimates. Hours, minutes and seconds are calculated as elapsed calendar days, since only your birth date (not birth time) is used.
Live Age
You have lived approximately 0 seconds
Based on the start of your birth date in your local calendar, unless you enter a birth time above.
Next Birthday Calculator
0 weeks, 0 days remaining
You will turn – on:
–
Your birthday falls on 29 February. In non-leap years this calculator shows your next birthday as 28 February, the most common convention.
About Your Birthday
Zodiac sign and birthstone are shared for general interest only, not as scientific or astrological fact.
Gregorian vs Hijri Age
Hijri age is calculated using the Islamic calendar built into your browser (Umm al-Qura). It is approximate and may differ by a day depending on the calendar method or local moon-sighting conventions used.
Your Age Milestones
| Age | Date | Day | Status |
|---|
When Will I Be…?
You will turn – on:
–
Day: – · Time remaining: –
How Old Was I?
Uses the date of birth entered above. Pick any past or future date.
Age Difference Calculator
How to Use the Age Calculator
Choose your date of birth using the day, month and year fields, or the date picker. By default your age is calculated as of today, but you can pick any other date in the “Calculate Age On” field to see how old you were, or will be, on that date. Select Calculate Age to see your exact age instantly, with no page reload.
How Is Your Age Calculated?
Exact age is not simply the current year minus your birth year. This calculator compares your birth day and month against the selected date’s day and month, then borrows days and months where needed — the same way you would count on a calendar by hand. It correctly accounts for different month lengths and leap years.
For example, someone born on 15 January 2001 and checking their age on 29 August 2026 has passed their birthday for the year, so the calculator counts full elapsed months since 15 July 2026, giving 25 years, 7 months and 14 days rather than a rough estimate.
Age in Years, Months and Days
The headline result breaks your exact age into years, months and days, plus a compact stat grid for quick reading on any screen size.
Age in Days, Hours, Minutes and Seconds
Beyond years, months and days, the calculator totals your exact age in months, weeks, days, hours, minutes and seconds — all calculated from real calendar dates rather than a flat 365-day-per-year assumption, so leap years are never missed.
Next Birthday Calculator
See exactly how many days and weeks remain until your next birthday, which age you’re about to turn, and the day of the week it falls on — with a visual countdown ring.
Age Difference Calculator
Compare two dates of birth to see the exact gap in years, months and days between two people, plus the total difference in days and who is older.
Age on a Specific Date
Use “How Old Was I?” to calculate age as of any past or future date — useful for eligibility checks, historical questions, or planning ahead.
Gregorian vs Hijri Age
Because KSA Desk serves users across Saudi Arabia, the calculator also shows an approximate Hijri age using the Islamic calendar built into modern browsers, alongside your standard Gregorian age.
Age Calculator FAQs
How do I calculate my exact age?
Enter your date of birth above and select Calculate Age. Your exact age in years, months and days appears instantly, along with totals in weeks, days, hours, minutes and seconds.
How old am I based on my date of birth?
Your age is worked out by comparing your birth date to today’s date (or another date you choose), counting whole years, then whole months, then remaining days.
How is age calculated from date of birth?
The calculator counts full elapsed years, then full elapsed months, then remaining days between your date of birth and the selected date — the same logic as counting on a calendar, accounting for month lengths and leap years.
Can I calculate age on a past date?
Yes. Enter a past date in the “Calculate Age On” field to see exactly how old you were at that point.
Can I calculate age on a future date?
Yes. Enter a future date in the “Calculate Age On” field to see how old you will be on that date.
How many days old am I?
The “Your Age in Different Units” section shows your exact total number of days lived, calculated from your date of birth to the selected date.
How many weeks old am I?
Your exact total number of weeks is shown alongside days, months, hours, minutes and seconds in the totals section.
When is my next birthday?
The Next Birthday Calculator shows the exact date, the day of the week, and how many days and weeks remain until you turn your next age.
How do I calculate the age difference between two people?
Use the Age Difference Calculator, enter both dates of birth, and it shows the exact gap in years, months and days, plus who is older.
Does the calculator account for leap years?
Yes. All calculations use real calendar dates, so leap years are always handled correctly rather than assumed away.
How is a February 29 birthday handled?
In non-leap years, a 29 February birthday is shown as falling on 28 February, following the most common convention — this is noted directly in the Next Birthday and Milestones sections.
Why is Hijri age different from Gregorian age?
The Hijri calendar is lunar and its year is shorter than the Gregorian solar year, so a Hijri age is often a year or so higher than a Gregorian age. The figure shown is approximate and can vary by a day depending on the calendar method used.
Does KSA Desk save my date of birth?
No. This calculator runs entirely in your browser. Your date of birth is not stored or submitted anywhere.
Your date of birth is processed in your browser and is not stored or submitted by this calculator.