About Age Calculator
Calculate your exact age in years, months, weeks, days, hours, and seconds. See countdown to your next birthday. Free, instant, no sign-up.
How to use
- Enter your date of birth using the date picker.
- Your exact age appears instantly — years, months, weeks, days, hours, minutes, and a live seconds counter.
- Optionally change the target date to calculate age on any specific date.
- See a countdown to your next birthday with the number of days remaining.
Frequently asked questions
How do I calculate my exact age?
Enter your date of birth and the calculator instantly shows your exact age broken down into years, months, weeks, days, hours, minutes, and seconds. The seconds counter updates live.
Can I calculate age on a future or past date?
Yes — change the 'Calculate age on' field to any date. This is useful for finding how old you were or will be on a specific date.
When is my next birthday?
The calculator shows a countdown to your next birthday including the exact number of days remaining and what age you'll turn.
Part of ToolFluency’s library of free online tools for Calculators. No account needed, no data leaves your device.