Date calculator
Age Calculator Online Free
Use this free age calculator to find your exact age based on your birth date. It is quick, simple and works on desktop and mobile.
- Estimate age in years, total months and total days.
- See how many days remain until your next birthday.
- Useful for personal planning, milestones and forms.
Age Calculator Tool
Enter a birth date to estimate exact age details in years, total months and total days.
Enter a birth date to calculate age.
How to Use This Age Calculator
Enter your birth date
Select the date you were born to generate a new age calculation.
Review the summary
Check your age in full years plus total months and days for additional context.
Track the next birthday
Use the birthday countdown page if you want a live timer after seeing the days remaining.
FAQ
Is this age calculator accurate?
It estimates age based on the date you enter and your current local date.
Can I use it for future birthdays?
The tool is designed for birth dates up to the current date, then it estimates the next birthday separately.
Does it work on mobile?
Yes. It works in modern mobile and desktop browsers.
Can I pair it with a birthday countdown?
Yes. The related birthday countdown page is useful for tracking the next celebration date.