Age Calculator
Calculate your exact age in years, months and days from your date of birth.
Results
How old am I exactly? Enter your date of birth and get your precise age in years, months and days. The calculator also shows total days alive, hours lived and how many days until your next birthday. Useful for official forms that require exact age, milestone tracking, age verification and birthday countdowns.
Explore all our age calculator tools, or browse the full time and date converters & calculators.
Frequently asked questions
Enter your birth year, month and day above. The calculator computes the difference between your birthday and today's date, giving you years, months and days. It correctly handles leap years and varying month lengths.
The calculator shows your total days alive. A 30-year-old has lived roughly 10,950 days. Enter your exact birth date for the precise count, including leap year days.
Most legal systems consider you a year older on your birthday. If you were born on February 29, most jurisdictions recognize March 1 as your birthday in non-leap years. Our calculator uses calendar date subtraction.
A golden birthday (or champagne birthday) is when you turn the age of your birth date - for example, turning 15 on the 15th. If your birthday is the 3rd, your golden birthday was when you turned 3.
Enter your date of birth to get your exact age today. Most passport applications require your age at the time of application. Children's passports typically expire faster (5 years vs 10 years for adults).