NUMBERS & TIME

Age calculator

Find completed years and the number of days elapsed.

Getting the tool ready...

Inputs are processed in your browser. This build does not send them to a server.

How it works

Find completed years and the number of days elapsed. Fill in the form and choose Calculate. It opens with an example already filled in, so you can see how it works first.

What you need

Date of birth
Age on

What you get

Completed years, Days elapsed
Copy or save the result

Good to know

29 February birthdays advance on 1 March in non-leap years in this tool. This is not a legal-age determination.

Your privacy

What you type is worked out in your browser and is not sent anywhere. There are no accounts, adverts or tracking scripts.