Online Age Calculator from date of birth (DOB) - Calculate difference between the dates

This calculator is useful for calculating age for government exams etc. Find accourate age from date of birth.


Use Tab to move to next field and enter to Calculate


Age Calculator – Instantly Calculate Your Exact Age in Years, Months, and Days

There are cultural differences in how people measure their age. The most widely used age system serves as the foundation for this calculator. Under this method, a person's age rises on their birthday. A person who has lived for three years and eleven months, for instance, is three years old. One month later, on their next birthday, their age will rise to four. This age system is used in the majority of countries.


๐Ÿ” What Is an Age Calculator?

An age calculator is a web-based utility that takes your date of birth (DOB) and optionally an “as on” date (like today or a custom date), and then calculates:

  • ✅ Total years

  • ✅ Additional months

  • ✅ Remaining days

This is much more accurate than manually subtracting years or relying on rough estimates.


⚙️ How Does It Work?

Age calculation isn't just subtracting one year from another. It considers:

  • ๐Ÿ“† Leap years

  • ๐Ÿ—“️ Different month lengths (28, 30, 31 days)

  • ✅ Whether the end date is before or after your birthday that year

For example, if your birthday is 28-Feb-2000 and today is 27-Jun-2025, the calculator breaks it down as:

  • 25 years,

  • 3 months,

  • and 30 days.


๐ŸŽฏ Use Cases

An age calculator is useful in many everyday and official scenarios:

  • ๐Ÿ‘ถ Calculating baby milestones (in months/days)

  • ๐ŸŽ“ School and college admissions

  • ๐Ÿฆ Government age criteria (pension, voting, driving license)

  • ๐Ÿ“ˆ Health and fitness tracking

  • ๐Ÿงพ Filling up online forms and applications


๐Ÿ›  Features of Our Age Calculator

  • ✅ Easy input: DD-MM-YYYY format

  • ✅ Option to select a custom “as on” date

  • ✅ Support for leap years and past/future dates

  • ✅ Instant results with no reloads

  • ✅ Mobile-friendly and fast


๐Ÿ“… Why Not Just Use a Calendar?

Because doing it manually is prone to errors, especially with:

  • Leap years (every 4 years except some century rules)

  • Varying days in months

  • Boundary cases like birthday at month-end

Our calculator takes all of that into account and gives a reliable, accurate result every time.


Fun Fact

Did you know?

Someone born on 29-Feb-2004 will technically have only 5 real birthdays by 2024 — yet they’ll be 20 years old!


✅ Try It Now

Use the age calculator above to find your precise age in seconds. Just enter your date of birth and, optionally, a custom date, and click Calculate Age.


๐Ÿ“ˆ Boost Productivity & Accuracy

Instead of pulling out a calendar or doing mental math, use our tool to save time and avoid mistakes — whether for personal curiosity or filling out an official form.


๐Ÿ”’ Privacy First

We do not store or share any information. All calculations happen in your browser — 100% safe and private.



Final Thoughts

The Age Calculator is a must-have utility that goes beyond simple arithmetic. It delivers a full breakdown of your age with calendar accuracy. Bookmark this tool and use it whenever you need to calculate your age quickly and accurately.

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