Age Calculator
Calculate exact age from date of birth in years, months, days, total days lived and next birthday countdown.
Age Calculator Tool
Calculate exact age from date of birth in years, months and days. Also see total days lived, next birthday countdown and birthday details.
Age Inputs
Quick Sample
Calculation Notes
About This Tool
Age Calculator is a free online calculator that helps you calculate exact age from a date of birth.
You can calculate age in years, months and days, choose a custom age-at date, see total days lived, total weeks lived, total months lived, estimated hours and minutes lived, day of the week born and next birthday countdown.
This tool is useful for students, parents, teachers, HR teams, form filling, official age checks, birthday planning and anyone who wants to quickly calculate age online.
How to Use Age Calculator
1. Select your date of birth.
2. Choose the age-at date or leave it as today.
3. Click Calculate Age.
4. Review the exact age in years, months and days.
5. Check total days lived, total weeks lived and next birthday countdown.
6. Copy or download the age report if needed.
Frequently Asked Questions
Is this Age Calculator free?
Yes. This Age Calculator is free to use and does not require signup.
Can I calculate age on a future or past date?
Yes. Use the Age At Date field to calculate age on any selected date.
Does this calculator show the next birthday?
Yes. The tool shows the next birthday date and how many days remain until that birthday.
Does this tool upload my date of birth to the server?
No. This calculator works directly in your browser using JavaScript. Your date of birth is not uploaded to our server.