Age Calculator
Enter your date of birth to find out exactly how old you are today.
Exact Age
30
Years
0
Months
0
Days
Exact Calendar Age & Time Difference Guide
Calculating exact age computes elapsed calendar years, months, days, hours, and seconds accounting for leap years.
1Date Interval Metrics
Total Years = Target Year - Birth Year (adjusted for month/day)
Total Days = Calendar Days difference including Leap Days
Leap Year Rule: Extra day added for years divisible by 4 (except century years not ÷ 400)
Frequently Asked Questions
Leap years add a 29th day to February, ensuring day counts between two calendar dates remain astronomically precise.