Age Calculator
Calculate your exact age in years, months, weeks, and days. Find your zodiac sign, day of the week you were born, and next birthday countdown.
Leave as today for current age, or pick a past/future date
Your age is
31 years 3 months 12 days
Total Months
375
Total Weeks
1,632
Total Days
11,427
Total Hours
274,248
Total Minutes
16,454,880
Total Seconds
987,292,800
Born on a
Sunday
Zodiac Sign
Pisces ♓
Leap Years in Lifetime
8
Next Birthday
261 days
Friday, March 12, 2027 — turning 32
How Age is Calculated
Age = Target Date − Birth Date. The calculator accounts for leap years (8 in your lifetime), varying month lengths, and provides the exact difference in years, months, and days.
How to Use
- 1
Enter your birth date
- 2
The target date defaults to today — change it to calculate age at any past or future date
- 3
View your exact age in years, months, and days
- 4
See fun facts: day of week born, zodiac sign, next birthday countdown
Examples
Good Examples
Current age
Born: 1995-03-12, Age today: 31 years, 3 months, 8 daysFuture date calculation
Born: 1990-01-01, Age on 2050-01-01: 60 years, 0 months, 0 daysHow many days old
Born: 2000-01-01, As of 2025-01-01: 9,132 days oldBad Examples
Wrong date format
Using MM/DD/YYYY instead of the date pickerLeap year misunderstanding
The calculator accounts for leap years automaticallyCommon Mistakes
- Leap year misunderstanding - the calculator accounts for leap years
- Using the wrong timezone - dates are timezone-independent
- Not realizing you can set the target date to any past or future date
Frequently Asked Questions
How accurate is this calculator?
The calculator is accurate to the day. It accounts for leap years and varying month lengths in its calculations.
Does timezone matter?
The calculator uses the dates you enter without considering timezones. For most purposes, this level of accuracy is sufficient.
Can I calculate my age at a future or past date?
Yes — simply change the "Age at Date" field to any date in the past or future. The calculator will show your exact age at that point in time.
How does the calculator handle leap years?
The calculator counts the actual number of days between dates, which includes leap days. It also shows how many leap years have occurred in your lifetime.