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Age Calculator

Calculate your exact age and discover interesting facts about your birthday

For past or future dates, the age is calculated at the end of the selected day

About the Age Calculator

The online Age Calculator calculates age from a date of birth and shows the result in years, months, weeks, days, hours, minutes, and seconds. You can use today's date or calculate age on another selected date.

In addition to your age, the calculator provides total time lived in months, weeks, days, hours, minutes, and seconds. It also shows time since your last birthday, your next birthday, your day of birth, and your zodiac sign.

Ways to Use the Age Calculator

Calculate your exact age

Enter your date of birth to calculate your current age in completed years, months, and days.

Find your age on another date

Choose a different calculation date to find out how old you were or will be on a specific date.

Calculate total time lived

See your total time lived expressed in months, weeks, days, hours, minutes, and seconds.

Count down to your next birthday

Find the date of your next birthday and see how many days remain until it arrives.

See time since your last birthday

Check how many days, hours, minutes, and seconds have passed since your most recent birthday.

View birth details

Find the day of the week you were born and view the zodiac sign associated with your birth date.

Age Calculator Features

  • Age in years, months, and days
  • Age calculation for a selected date
  • Total months lived
  • Total weeks lived
  • Total days lived
  • Total hours lived
  • Total minutes lived
  • Total seconds lived
  • Time since last birthday
  • Next birthday countdown
  • Next birthday date
  • Day of birth
  • Zodiac sign
  • Browser-based calculator
  • No installation required
  • Responsive layout
  • Light and dark themes

How to Use the Age Calculator

  1. 1

    Enter your date of birth

    Select your birth date using the date field in the Age Calculator.

  2. 2

    Choose the calculation date

    Use today's date to calculate your current age, or select another date to calculate your age at a different point in time.

  3. 3

    Calculate your age

    Run the calculation to determine the difference between your birth date and the selected calculation date.

  4. 4

    View your exact age

    The main result displays your age in years, months, and days.

  5. 5

    Review your total time lived

    See your elapsed lifetime represented in months, weeks, days, hours, minutes, and seconds.

  6. 6

    Check birthday and birth details

    View time since your last birthday, the date of your next birthday, the day of the week you were born, and your zodiac sign.

Free Online Age Calculator

Calculate your age online from your date of birth without installing an app. Enter your birth date to see your age in years, months, and days along with additional birthday information.

How Old Am I?

Enter your birthday to find your current age. The calculator breaks the result down into completed years, months, and days instead of showing only the number of years.

Age in Years, Months, and Days

Calculate the calendar difference between your date of birth and the selected date. This gives you a more detailed age than a simple year-based calculation.

Age on a Specific Date

Select another calculation date to determine your age at a particular point in the past or future. This can be useful when you need an age for a specific event or date.

How Many Days Old Am I?

The Total Time Lived section converts the elapsed time since your birth date into several units, including total weeks, days, hours, minutes, and seconds.

Next Birthday Calculator

See how many days remain until your next birthday and view its calendar date. The calculator also shows how much time has passed since your previous birthday.