Age Calculator

Enter a date of birth to see your exact age in years, months and days, plus total months, weeks, days and hours lived, the weekday you were born and the days left until your next birthday.

About this tool

This age calculator works out your exact age from your date of birth down to years, months and days, and also shows total months, weeks, days and hours lived. It tells you which weekday you were born on and counts the days left until your next birthday. You can change the “age on” date to find out how old someone was, or will be, on any day.

How to use the Age Calculator

Choose your date of birth.
Optionally change the “age on” date.
Click Calculate Age.

Why use this tool?

It is 100% free, needs no signup, gives instant results and works on desktop, tablet and mobile. Your data is processed in your browser and is not stored on our servers.