Free Tool

Age Calculator

Calculate your exact age in years, months, and days — and see how many days until your next birthday.

Date of Birth

Calculate age as of

Today
Custom date

Please enter a valid date of birth.

How to Use the Age Calculator

Select your Date of Birth from the date picker.
Choose Today to calculate your current age, or Custom date to calculate age at a specific point in time.
Click Calculate Age to see your exact age in years, months, and days.
The tool also shows your total days lived and countdown to your next birthday.

Calculate exact age for medical forms, legal documents, or insurance applications.
Find out how many days old you are today.
Calculate age between two historical dates.
Count down days to a birthday celebration.