Age Calculator
Calculate your exact age in detail.
Your Age
Age Calculator — Your Exact Age, Down to the Hour
Birthdays tell you the year, but the full picture is more fun. Enter your date of birth and this free age calculator shows your exact age in years, months, and days — plus total months, weeks, days, and hours.
Planning ahead? Set an 'age at date' to find out exactly how old you (or anyone) will be on a future date — handy for eligibility checks, anniversaries, and milestones.
Exact age breakdown
Years, months, and days headline the result, with total months, weeks, days, and hours underneath for the complete picture.
Age at any target date
Pick a future or past date to calculate the age on that day — perfect for checking eligibility or counting down to a milestone.
Accurate calendar math
The calculator handles leap years and varying month lengths correctly, so the breakdown is exact, not an approximation.
How to use
- Enter the date of birth.
- Optionally set an 'age at date' for a future or past date.
- Click Calculate Age.
- Read the full breakdown of years, months, days, and totals.
Frequently Asked Questions
How is the exact age calculated?
The tool compares the birth date with today (or your target date) using real calendar math, accounting for leap years and different month lengths.
Can I calculate age on a future date?
Yes. Set the target date to any future date to see the exact age on that day.
Does it show age in months and weeks too?
Yes — alongside years, months, and days, you get total months, total weeks, total days, and total hours.
Is the age calculator free?
Yes, free with no signup required.
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