Free Online Age Calculator

Calculate your exact age in years, months and days. Find your next birthday, total days lived and the age difference between two people.

Calculate Your Age

Select today or any past or future date.

Add another date of birth to calculate the age difference.

How to Use the Calculator

  1. Select your date of birth.
  2. Select the date on which you want to calculate your age.
  3. Optionally enter a second person's date of birth.
  4. Click the Calculate Age button.
  5. View your exact age, total days, next birthday and other results.
  6. Use Download Result to save your calculation.

Frequently Asked Questions

How does an age calculator work?

An age calculator compares your date of birth with a selected date and calculates the difference in years, months and days.

Can I calculate my age on a past or future date?

Yes. Select any valid date on or after your date of birth to calculate your age on that date.

Does this calculator support February 29 birthdays?

Yes. The calculator supports leap-year birthdays. In non-leap years, February 28 is used as the birthday date for age and countdown calculations.

Can I calculate the age difference between two people?

Yes. Enter a second person's date of birth in the optional field to see the difference in years, months and days.

Is this Age Calculator free?

Yes. The SpeedoLab Age Calculator is free to use and does not require registration.

Is my date of birth stored or shared?

No. All calculations are performed in your browser. Your date of birth is not sent to a server by this calculator.

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