Calculate your exact age in years, months, days and more
Our Age Calculator Tool helps you determine your exact age in years, months, days, and even seconds! Follow these simple steps to calculate your age accurately:
You can enter your date of birth in two ways:
Year: Pick your birth year from the available range.
Month: Choose your birth month from the list.
Day: Select your birth day from the dropdown menu.
Click on the "Calendar Select" tab.
Use the ◄ ► buttons to navigate months.
Select your birth year from the dropdown.
Click on your birth date in the calendar.
After entering your birth date, click the "Calculate Age" button.
A loading spinner will appear briefly while processing.
The tool will display your age in multiple formats:
✅ Your Exact Age
Age in years (e.g., 23 years)
Born on: Day, Month, Date, Year (e.g., Monday, October 1, 2001)
Age on: Current date (e.g., Thursday, April 24, 2025)
✅ Age in Different Units
Decimal age (e.g., 23.563 years)
Years + Months + Days (e.g., 23 years 6 months 23 days)
Total Months + Days (e.g., 282 months 23 days)
Total Weeks + Days (e.g., 1,229 weeks 3 days)
Total Days Lived (e.g., 8,606 days)
✅ Live Age Counter (Seconds, Minutes, Hours)
A black box with blue text shows your age in real-time:
Hours lived
Minutes lived
Seconds lived (updating every second)
✅ Next Birthday Countdown
Months, Days, Hours, Minutes, and Seconds left until your next birthday.
✔ 100% Accurate – Accounts for leap years and exact days.
✔ Multiple Formats – See your age in years, months, weeks, and more.
✔ Real-Time Updates – Watch your age in seconds increase live.
✔ Birthday Countdown – Know exactly how long until your next birthday.
Try it now and discover your exact age down to the second! 🎉
Ever wondered, "What’s my exact age in months and days?" An age calculator takes the guesswork out of it. Just plug in your date of birth and today’s date, and voilà—you get your current age instantly. But here’s a cool trick: you can also check how old you’ll be on a future date. Need to know how many days are left until your next birthday? The calculator shows that too at the bottom of the results.
I remember using one to plan my milestone birthday trip—knowing the exact length of time left helped me organize everything perfectly.
For parents, counting a newborn’s age in weeks and months is a big deal. My sister kept asking, "How many weeks is the baby now?"—this tool was a lifesaver. Enter your child’s birth date, hit calculate, and it breaks down their age into weeks, months, or even days. You can even project their age on a future date, like their first birthday. No more mental math while sleep-deprived!
Most calculators use two methods:
General age (years, months, days) – assumes 365 days per year and ~30.42 days per month.
Exact age in total days – counts every single day, including leap years.
Fun fact: A teenager won’t say, *"I’m 12 normal years + 3 leap years old!"*—the calculator simplifies it the same way. But for precise results (like legal documents), the exact days method matters.
Planning an event? The calculator can tell you how many days are left. Just input today’s date as the "date of birth" and your target date (like a wedding or holiday). It even accounts for months with 31 days (hello, July!) and February’s 28 (or 29) days. I used this to count down to a friend’s Thanksgiving reunion—no calendar-flipping needed!
As someone who loves spreadsheets, I often use Excel to track ages. The formula =DATEDIF(A1,TODAY(),"Y")
gives years, while "YM"
and "MD"
extract months and days. Combine them with CONCAT for a neat summary, like "5 years, 2 months, 10 days". Perfect for keeping tabs on family birthdays or project timelines.