Age Calculator

Calculate age in years, months, days, and next birthday details from a birth date.

Birth date

Birth month:Birth day:Birth year:

Mobile-friendly date entry: type the year directly instead of scrolling through decades.

Month:Day:Year:

Leave these blank to calculate age as of today.

Years0

Months0

Days0

Next birthdayReady

Use this browser-based tool to calculate age in years, months, days, and next birthday details from a birth date. No account required.