Exact Age Calculator — Years, Months & Days
Calculate your exact age in years, months, days, hours, and minutes from your date of birth.
Exact Age Calculator
Frequently Asked Questions
How is exact age calculated?
Exact age is calculated by subtracting your date of birth from today's date, accounting for varying month lengths and leap years. The result gives years, months, and remaining days — not just a rounded figure.
How old am I in days?
Enter your date of birth and the calculator shows your total age in days. For example, someone born on January 1, 1990 is about 12,900+ days old today.
How do I calculate my age accurately?
Use your exact date of birth and today's date. The difference in years, months, and days is your precise age. The calculator handles all the edge cases like month length differences and leap years.
Does the calculator update in real time?
Yes — the exact age display (hours and minutes) updates every second, so you can watch your age tick up live.