Calculators / Age Calculator
Age Calculator
Find your age in years, months, and days using your date of birth. See how many days you've lived, the number of completed weeks and months, and how long remains until your next birthday.
✓ Easy age calculation ✓Birthday countdown ✓ Private and convenient
Age Calculator workspace
Calculate your age from your date of birth.
Calculate your age
Enter your date of birth to find your age as of today.
Your age results
Your age calculation will appear here.
Select a birth date and click Calculate Age.YOUR EXACT CALENDAR AGE
Time since birth
Calculated using calendar dates, not your birth time. Results may change when your device's local date changes.
A LITTLE KNOW-HOW
Age Calculator – Calculate Your Exact Age Online
About the Age Calculator
The Age Calculator from I Love Tools is a free online tool that helps you find the time between your date of birth and today.
Instead of manually counting years, months, and days, simply enter your birth date and let the calculator work out your age.
The tool provides your age in completed calendar years, months, and days. It also shows the total number of days you’ve lived, completed weeks and months, and a countdown to your next birthday.
Whether you’re checking your age for a form, calculating a family member’s age, or exploring how much time has passed since you were born, the Age Calculator provides a quick and understandable answer.
Frequently asked questions
How can I calculate my exact age online?
Enter your date of birth in the Age Calculator and click Calculate Age. The tool displays your age in completed years, months, and days based on today's date.
Does the Age Calculator account for leap years?
Yes. The calculator accounts for leap years and different month lengths. For February 29 births, it uses February 28 as the anniversary in non-leap years.
Can I calculate my age in days and weeks?
Yes. In addition to your calendar age, the calculator displays your total days lived, completed weeks, completed months, and remaining days after full weeks.
Can I find out how many days are left until my birthday?
Yes. The calculator displays your next birthday anniversary and the number of calendar days until that date. If today is your birthday, the countdown shows zero days.
Can I calculate someone else's age?
Yes. Enter their date of birth instead of yours. The calculator works the same way for any supported birth date.
Is my date of birth saved or shared?
The Age Calculator widget does not save your date of birth to browser storage or send it to a calculation server. All calculations take place locally in your browser.