Age Calculator
Calculate exact age in years, months, days — plus total weeks, hours and minutes. Runs live in your browser.
What is the Age Calculator?
The Age Calculator computes the exact age between two dates — years, months and days, plus totals in days, weeks, hours and minutes, and a countdown to the next birthday. Leap years and varying month lengths are handled correctly.
Enter a birth date and optionally a target date (default is today); useful for forms, eligibility checks and age gaps.
How to use the Age Calculator
- 1Enter the birth date.
- 2Optionally enter a target date — the default is today.
- 3Read the years/months/days breakdown, plus total days, hours and the next-birthday countdown.
Key features
- Precise year/month/day breakdown
- Totals in days, weeks, hours and minutes
- Next birthday countdown
- Correct leap-year handling
Frequently asked questions
How is age counted?
By full calendar years, then remaining months and days — the same convention official forms use.
Can I compare two people's ages?
Yes — enter the two birth dates to see the difference.
All Utility
Tap any tool to jump straight in — no signup, works on mobile.