Age Calculator

Enter your date of birth in the date picker and the calculator instantly shows your exact age in years, months, days, hours, and minutes. You can also set a specific target date (instead of today) to calculate your age at a past or future point in time.

The Age Calculator is highly accurate — it accounts for leap years, different month lengths, and the exact number of days between two dates. The result is calculated using your local system clock, so the 'current date' is always accurate to your time zone.

Yes. Use the 'From date' and 'To date' fields to calculate the exact age or duration between any two dates. This is useful for calculating how old someone was on a specific date, how long a project lasted, or the age of a pet or organization.

Yes, leap years are fully accounted for. The calculator uses precise date arithmetic that correctly handles February 29 birthdays and the extra day in leap years, so your age in days is always exact.

Yes. The Age Calculator displays the day of the week for your birth date alongside your age. You can also see how many days are left until your next birthday and what day of the week it falls on.

Absolutely. For infants, the calculator shows detailed breakdowns in months and weeks, which is how pediatricians typically track development milestones. Enter the baby's date of birth and the current date to get the precise age in weeks and months.

Yes. Set the 'Calculate age as of' date to any future date to see how old you will be. This is useful for milestone planning, retirement calculations, or answering 'how old will I be in 2030?'

Yes. The tool is fully mobile-responsive and works in any browser on iPhone or Android. The date pickers are touch-friendly and easy to use on a small screen.

Yes. Enter the founding date as the 'Date of birth' and the tool calculates exactly how many years, months, and days old the business is. This is useful for anniversaries, certifications, and milestones.

Yes, completely free. No sign-up, no ads-in-the-way, no limits. Calculate ages for as many dates as you need, instantly in your browser.