Age Calculator
Calculate your exact age in years, months, and days. Find out how many days until your next birthday!
Enter your birthday to calculate your age
Free Age Calculator - Calculate Your Exact Age
Our free age calculator tells you exactly how old you are in years, months, and days. Simply enter your date of birth and instantly see your precise age, total days lived, and how many days until your next birthday.
Whether you need to calculate your age for official documents, curiosity, or just for fun, this tool provides accurate results instantly. No signup required - just enter your birthday and get your age.
What This Calculator Shows
- Exact age: Years, months, and days since your birth
- Total days: How many days you have lived
- Total hours: Your age in hours (updated live)
- Birthday countdown: Days remaining until your next birthday
How Age Calculation Works
The calculator uses date arithmetic to determine the exact difference between your birth date and the current date. It accounts for varying month lengths and leap years to give you the most accurate result possible.
- Enter your complete birth date (day, month, year)
- The calculator computes the difference from today
- Results update in real-time as time passes
Common Age Calculation Uses
- Determining eligibility for age-restricted activities
- Filling official forms and applications
- Calculating retirement age
- Birthday countdowns and celebrations
- Pet age calculations (enter pet's birth date)
Frequently Asked Questions
How accurate is the age calculator?
Our calculator is highly accurate, accounting for leap years and varying month lengths. It updates in real-time to show your exact age to the day.
How do I calculate age from date of birth?
Simply enter your birth date in the input field above. The calculator automatically computes the difference between your birth date and today.
Can I calculate someone else's age?
Yes! Just enter anyone's birth date to calculate their age. Great for calculating the age of family members, friends, or pets.
Why does my age in months change?
Because months have different numbers of days (28-31), the exact number of months and days in your age adjusts based on which months have passed.