Free calculator
Age Calculator
Use this free age calculator to find your exact age in years, months and days. Try it instantly.
Calculate Your Age
Enter a birth date and choose the date you want to calculate against.
How to Use the Age Calculator
QuickUtils Age Calculator helps you calculate your exact age from a date of birth. Enter your birth date, keep today as the default comparison date, or choose another date if you need age for a form, exam, document, policy, or eligibility check. Select Calculate Age and the tool shows your age in completed years, remaining months, and days.
The calculator also displays total months, total weeks, total days, and the number of days left for your next birthday. Everything runs in your browser, so your date is not sent to a server. You can reset the form anytime and try another date immediately.
Frequently Asked Questions
How accurate is this age calculator?
It calculates age using calendar years, months, and days, then uses day-level date differences for total days and weeks. That makes it suitable for everyday personal, school, job, and document use.
Can I calculate age on a past or future date?
Yes. Change the Calculate Age As Of field to any valid date after the date of birth. The result updates against that selected date.