How to Use Age Calculator
Enter your date of birth to see your precise age in years, months and days, along with totals in weeks, hours and minutes and a countdown to your next birthday. Works for any date, past or future.
Open the Age Calculator tool →What is Age Calculator?
Calculate your exact age in years, months and days — plus total weeks, hours and your next birthday. It's completely free, needs no sign-up, and runs entirely in your browser — so it's fast and private.
How to use Age Calculator
- Open the Age Calculator tool.
- Enter your values or options.
- The result updates instantly as you type.
- Use or copy the result. Everything runs in your browser — nothing is uploaded.
Frequently asked questions
How is age calculated?
We compute the difference between your birth date and the target date as full years, then remaining months and days, accounting for varying month lengths and leap years.
Ready to try it?
Open Age Calculator →