Age Calculator

Age Calculator — Exact Years, Months, Days

Find your exact age down to the day with our free online age calculator. Enter your date of birth and instantly see your age in years, months, and days, along with total days lived and upcoming birthday countdown. You can also calculate the exact duration between any two dates. Everything runs in your browser — no data is stored or shared.

• Calculate exact age in years, months, and days from your date of birth
• Count total number of days, weeks, and hours you have lived
• Calculate the precise duration between any two dates
• See a countdown to your next birthday
• Display the day of the week you were born
• Support for past and future date calculations
• All processing happens locally in your browser for full privacy

How to Use the Age Calculator

1. 1

   Enter your date of birth

   Select or type your birth date using the date picker.

2. 2

   Choose a reference date (optional)

   By default, today's date is used. You can change it to any date for custom calculations.

3. 3

   View your exact age

   Instantly see your age broken down into years, months, and days.

4. 4

   Explore additional details

   Check total days lived, day of the week you were born, and your next birthday countdown.

Frequently Asked Questions

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